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diff --git a/js/src/tests/test262/ch11/11.1/11.1.5/11.1.5_4-4-a-3.js b/js/src/tests/test262/ch11/11.1/11.1.5/11.1.5_4-4-a-3.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.
+/**
+ * Refer 11.1.5; 
+ *   The production
+ *      PropertyNameAndValueList :  PropertyNameAndValueList , PropertyAssignment
+ *    4. If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true
+ *      a. This production is contained in strict code and IsDataDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true
+ *
+ * @path ch11/11.1/11.1.5/11.1.5_4-4-a-3.js
+ * @description Object literal - Duplicate data property name allowed gets last defined value
+ */
+
+
+function testcase() {
+  
+  var o = eval("({foo:0,foo:1});");
+  return o.foo===1;
+  }
+runTestCase(testcase);