The Tor Browser / file revision

 // |reftest| skip-if(Android)

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 //-----------------------------------------------------------------------------

 var BUGNUMBER = 472787;

 var summary = 'Do not hang with gczeal, watch and concat';

 var actual = '';

 var expect = '';

 printBugNumber(BUGNUMBER);

 printStatus (summary);

 this.__defineSetter__("x", Math.sin);

 this.watch("x", '' .concat);

 if (typeof gczeal == 'function')

 {

   gczeal(2);

 }

 x = 1;

 if (typeof gczeal == 'function')

 {

   gczeal(0);

 }

 reportCompare(expect, actual, summary);