1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..de3f96587b
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method-static/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,55 @@
+// |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-class-decl-static-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Static async generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [object-spread, async-iteration]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      static MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+
+var callCount = 0;
+
+class C { static async *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);