1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-in/head-let-fresh-binding-per-iteration.js b/js/src/tests/test262/language/statements/for-in/head-let-fresh-binding-per-iteration.js
new file mode 100644
index 0000000000..b1aea266fe
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-in/head-let-fresh-binding-per-iteration.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-runtime-semantics-forin-div-ofbodyevaluation-lhs-stmt-iterator-lhskind-labelset
+es6id: 13.7.5.13
+description: >
+    let ForDeclaration: creates a fresh binding per iteration
+---*/
+
+var fns = {};
+var obj = Object.create(null);
+obj.a = 1;
+obj.b = 1;
+obj.c = 1;
+
+for (let x in obj) {
+  // Store function objects as properties of an object so that their return
+  // value may be verified regardless of the for-in statement's enumeration
+  // order.
+  fns[x] = function() { return x; };
+}
+
+assert.sameValue(typeof fns.a, 'function', 'property definition: "a"');
+assert.sameValue(fns.a(), 'a');
+assert.sameValue(typeof fns.b, 'function', 'property definition: "b"');
+assert.sameValue(fns.b(), 'b');
+assert.sameValue(typeof fns.c, 'function', 'property definition: "c"');
+assert.sameValue(fns.c(), 'c');
+
+reportCompare(0, 0);