The Tor Browser / file revision

 // Any copyright is dedicated to the Public Domain.

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

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

 var BUGNUMBER = 843004;

 var summary =

   "Don't emit a strict warning for the undefined-property detection pattern in self-hosted code";

 print(BUGNUMBER + ": " + summary);

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

  * BEGIN TEST *

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

 options("strict", "werror");

 // Don't strict-warn (and throw, because of strict) when self-hosted code uses

 // detecting-safe undefined-property accesses (|options.weekday !== undefined|

 // and similar in ToDateTimeOptions, to be precise).

 new Date().toLocaleString("en-US", {});

 // If we get here, the test passed.

 if (typeof reportCompare === "function")

   reportCompare(true, true);

 print("Tests complete");