1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/head-var-bound-names-dup.js b/js/src/tests/test262/language/statements/for-of/head-var-bound-names-dup.js
new file mode 100644
index 0000000000..a7b14d9bba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/head-var-bound-names-dup.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: The head's declaration may contain duplicate entries
+esid: sec-for-in-and-for-of-statements-static-semantics-early-errors
+es6id: 13.7.5
+---*/
+
+var iterCount = 0;
+
+for (var [x, x] of [[1, 2]]) {
+  assert.sameValue(x, 2);
+  iterCount += 1;
+}
+
+assert.sameValue(iterCount, 1);
+
+reportCompare(0, 0);