1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 0000000000..be5f635c89
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-await-of/async-func-dstr-const-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding-for-await/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding-for-await/default/for-await-of-async-func-const.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (for-await-of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [generators, destructuring-binding, async-iteration]
+flags: [generated, async]
+info: |
+    IterationStatement :
+        for await ( ForDeclaration of AssignmentExpression ) Statement
+
+    [...]
+    2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
+        lexicalBinding, labelSet, async).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. Let destructuring be IsDestructuring of lhs.
+    [...]
+    6. Repeat
+       [...]
+       j. If destructuring is false, then
+          [...]
+       k. Else
+          i. If lhsKind is assignment, then
+             [...]
+          ii. Else if lhsKind is varBinding, then
+              [...]
+          iii. Else,
+               1. Assert: lhsKind is lexicalBinding.
+               2. Assert: lhs is a ForDeclaration.
+               3. Let status be the result of performing BindingInitialization
+                  for lhs passing nextValue and iterationEnv as arguments.
+          [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    [...]
+    5. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Set v to ? GetValue(defaultValue).
+       c. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    6. If environment is undefined, return PutValue(lhs, v).
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+
+var iterCount = 0;
+
+async function fn() {
+  for await (const [gen = function* () {}, xGen = function* x() {}] of [[]]) {
+    assert.sameValue(gen.name, 'gen');
+    assert.notSameValue(xGen.name, 'xGen');
+
+    iterCount += 1;
+  }
+}
+
+fn()
+  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
+  .then($DONE, $DONE);