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 ch14/14.1/14.1-17-s.js

  * @description 'use strict' directive - not recognized if it follow some other statment empty statement

  * @noStrict

  */

 function testcase() {

   function foo()

   {

     var x;

     'use strict';

     return (this !== undefined);

   }

   return foo.call(undefined);

  }

 runTestCase(testcase);