The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/licenses/publicdomain/

  */

 var BUGNUMBER = 501739;

 var summary =

   "String.prototype.match should zero the .lastIndex when called with a " +

   "global RegExp";

 print(BUGNUMBER + ": " + summary);

 /**************

  * BEGIN TEST *

  **************/

 var s = '0x2x4x6x8';

 var p = /x/g;

 p.lastIndex = 3;

 var arr = s.match(p);

 assertEq(arr.length, 4);

 arr.forEach(function(v) { assertEq(v, "x"); });

 assertEq(p.lastIndex, 0);

 /******************************************************************************/

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("Tests complete");