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diff --git a/test/built-ins/Array/prototype/reduceRight/15.4.4.22-8-b-iii-1-4.js b/test/built-ins/Array/prototype/reduceRight/15.4.4.22-8-b-iii-1-4.js
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+++ b/test/built-ins/Array/prototype/reduceRight/15.4.4.22-8-b-iii-1-4.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: 15.4.4.22-8-b-iii-1-4
+description: >
+    Array.prototype.reduceRight - element to be retrieved is own data
+    property that overrides an inherited data property on an Array
+includes: [runTestCase.js]
+---*/
+
+function testcase() {
+
+        var testResult = false;
+        function callbackfn(prevVal, curVal, idx, obj) {
+            if (idx === 1) {
+                testResult = (prevVal === 2);
+            }
+        }
+
+        try {
+            Array.prototype[2] = "11";
+            [0, 1, 2].reduceRight(callbackfn);
+            return testResult;
+
+        } finally {
+            delete Array.prototype[2];
+        }
+    }
+runTestCase(testcase);