1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-fn.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-fn.js
new file mode 100644
index 0000000000..be988c8b65
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-init-fn-name-fn.js
@@ -0,0 +1,58 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment-for-await/obj-prop-elem-init-fn-name-fn.case
+// - src/dstr-assignment-for-await/default/async-gen-decl.template
+/*---
+description: Assignment of function `name` attribute (FunctionExpression) (for-await-of statement in an async generator declaration)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [destructuring-binding, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    IterationStatement :
+      for await ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    5. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    AssignmentElement[Yield] : DestructuringAssignmentTarget Initializeropt
+    [...] 6. If Initializer is present and v is undefined and
+       IsAnonymousFunctionDefinition(Initializer) and IsIdentifierRef of
+       DestructuringAssignmentTarget are both true, then
+       a. Let hasNameProperty be ? HasOwnProperty(rhsValue, "name").
+       b. If hasNameProperty is false, perform SetFunctionName(rhsValue, GetReferencedName(lref)).
+
+---*/
+let xFnexp, fnexp;
+
+let iterCount = 0;
+async function * fn() {
+  for await ({ x: xFnexp = function x() {}, x: fnexp = function() {} } of [{}]) {
+    assert.notSameValue(xFnexp.name, 'xFnexp');
+
+    verifyProperty(fnexp, 'name', {
+      enumerable: false,
+      writable: false,
+      configurable: true,
+      value: 'fnexp'
+    });
+    iterCount += 1;
+  }
+}
+
+let promise = fn().next();
+
+promise
+  .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
+  .then($DONE, $DONE);