The Tor Browser / file revision

 // |reftest| skip

 // Any copyright is dedicated to the Public Domain.

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

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

 var BUGNUMBER = 621432;

 var summary =

   "If a var statement can't create a global property because the global " +

   "object isn't extensible, and an error is thrown while decompiling the " +

   "global, don't assert";

 print(BUGNUMBER + ": " + summary);

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

  * BEGIN TEST *

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

 var toSource = [];

 Object.preventExtensions(this);

 try

 {

   eval("var x;");

   throw new Error("no error thrown");

 }

 catch (e)

 {

   reportCompare(e instanceof TypeError, true, "expected TypeError, got: " + e);

 }

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

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("All tests passed!");