diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8/extensions/regress-476653.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8/extensions/regress-476653.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* -*- 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 = 476653;
+var summary = 'Do not crash @ QuoteString';
+var actual = '';
+var expect = '';
+
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+jit(true);
+
+for each (let x1 in ['']) 
+for (i = 0; i < 1; ++i) {}
+delete uneval;
+for (i = 0; i < 1; ++i) {}
+for each (let x in [new String('q'), '', /x/, '', /x/]) { 
+  for (var y = 0; y < 7; ++y) { if (y == 2 || y == 6) { setter = x; } } 
+}
+try
+{
+  this.f(z);
+}
+catch(ex)
+{
+}
+
+jit(false);
+
+reportCompare(expect, actual, summary);
+