diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8/extensions/regress-473040.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8/extensions/regress-473040.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+/* -*- 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 = 473040;
+var summary = 'Do not assert: tm->reservedDoublePoolPtr > tm->reservedDoublePool';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+jit(true);
+
+Object.defineProperty(__proto__, "functional",
+{
+  enumerable: true, configurable: true,
+  get: new Function("gc()")
+});
+for each (let x in [new Boolean(true), new Boolean(true), -0, new
+                    Boolean(true), -0]) { undefined; }
+
+jit(false);
+
+reportCompare(expect, actual, summary);