The Tor Browser / file revision

 /// 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.

 /**

  * @path ch13/13.2/13.2-34-s.js

  * @description StrictMode - property named 'arguments' of function objects is not configurable

  * @onlyStrict

  */

 function testcase() {

         return ! Object.getOwnPropertyDescriptor(Function("'use strict';"), 

                                                   "arguments").configurable;

 }

 runTestCase(testcase);