1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/statements/for-in/strict-initializer-strict.js b/js/src/tests/test262/annexB/language/statements/for-in/strict-initializer-strict.js
new file mode 100644
index 0000000000..afc84b3489
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/statements/for-in/strict-initializer-strict.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-initializers-in-forin-statement-heads
+description: >
+    for-in initializers in strict mode are prohibited
+negative:
+  phase: parse
+  type: SyntaxError
+flags: [onlyStrict]
+---*/
+
+$DONOTEVALUATE();
+
+for (var a = 0 in {});