1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/async-generator/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..fd6e9a2fd8
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,48 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-identifier-spread-strict.case
+// - src/async-generators/default/async-declaration.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Async generator Function declaration)
+esid: prod-AsyncGeneratorDeclaration
+features: [object-spread, async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    Async Generator Function Definitions
+
+    AsyncGeneratorDeclaration:
+      async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) {
+        AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+async function *gen() {
+  callCount += 1;
+  return {
+       ...(function() {
+          var yield;
+          throw new Test262Error();
+       }()),
+    }
+}
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);