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 ch11/11.13/11.13.2/11.13.2-6-1gs.js

  * @description Strict Mode - SyntaxError is throw if the identifier eval appears as the LeftHandSideExpression of a Compound Assignment operator(*=)

  * @onlyStrict

  * @negative ^((?!NotEarlyError).)*$

  */

 "use strict";

 throw NotEarlyError;

 eval *= 20;