The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

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

  */

 var BUGNUMBER = 523401;

 var summary = 'identifier starts immediately after numeric literal';

 var expect = "SyntaxError: identifier starts immediately after numeric literal";

 var actual;

 printBugNumber(BUGNUMBER);

 printStatus(summary);

 try {

     eval("actual = 0in [1]");

 } catch (e) {

     actual = e;

 }

 actual = '' + actual;

 reportCompare(expect, actual, summary);

 printStatus("All tests passed!");