1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-iii-1-2.js b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-iii-1-2.js
new file mode 100644
index 0000000000..6dfdc285d7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-iii-1-2.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.filter
+description: >
+    Array.prototype.filter - value of returned array element can be
+    overwritten
+---*/
+
+function callbackfn(val, idx, obj) {
+  return true;
+}
+
+var obj = {
+  0: 11,
+  1: 9,
+  length: 2
+};
+var newArr = Array.prototype.filter.call(obj, callbackfn);
+
+var tempVal = newArr[1];
+newArr[1] += 1;
+
+assert.notSameValue(newArr[1], tempVal, 'newArr[1]');
+
+reportCompare(0, 0);