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diff --git a/test/built-ins/Array/prototype/reduce/15.4.4.21-9-c-i-11.js b/test/built-ins/Array/prototype/reduce/15.4.4.21-9-c-i-11.js
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+++ b/test/built-ins/Array/prototype/reduce/15.4.4.21-9-c-i-11.js
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+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// Ecma International makes this code available under the terms and conditions set
+// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
+// "Use Terms").   Any redistribution of this code must retain the above
+// copyright and this notice and otherwise comply with the Use Terms.
+
+/*---
+es5id: 15.4.4.21-9-c-i-11
+description: >
+    Array.prototype.reduce - element to be retrieved is own accessor
+    property that overrides an inherited data property on an
+    Array-like object
+includes: [runTestCase.js]
+---*/
+
+function testcase() {
+
+        var testResult = false;
+        var initialValue = 0;
+        function callbackfn(prevVal, curVal, idx, obj) {
+            if (idx === 1) {
+                testResult = (curVal === "11");
+            }
+        }
+
+        var proto = { 0: 0, 1: 1, 2: 2 };
+
+        var Con = function () { };
+        Con.prototype = proto;
+
+        var child = new Con();
+        child.length = 3;
+
+        Object.defineProperty(child, "1", {
+            get: function () {
+                return "11";
+            },
+            configurable: true
+        });
+
+        Array.prototype.reduce.call(child, callbackfn, initialValue);
+        return testResult;
+    }
+runTestCase(testcase);