1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js
new file mode 100644
index 0000000000..66078a5fb6
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/gen-method/yield-identifier-spread-strict-strict.js
@@ -0,0 +1,54 @@
+// |reftest| error:SyntaxError
+'use strict';
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-identifier-spread-strict.case
+// - src/generators/default/class-decl-method.template
+/*---
+description: It's an early error if the AssignmentExpression is a function body with yield as an identifier in strict mode. (Generator method as a ClassDeclaration element)
+esid: prod-GeneratorMethod
+features: [object-spread, generators]
+flags: [generated, onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Spread Properties
+
+    PropertyDefinition[Yield]:
+      (...)
+      ...AssignmentExpression[In, ?Yield]
+
+---*/
+$DONOTEVALUATE();
+
+var callCount = 0;
+
+class C { *gen() {
+    callCount += 1;
+    return {
+         ...(function() {
+            var yield;
+            throw new Test262Error();
+         }()),
+      }
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+
+
+assert.sameValue(callCount, 1);