diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/Regress/regress-213482.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/Regress/regress-213482.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* -*- 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 = 213482;
+var summary = 'Do not crash watching property when watcher sets property';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+var testobj = {value: 'foo'};
+
+function watched (a, b, c) {
+  testobj.value = (new Date()).getTime();
+}
+
+function setTest() {
+  testobj.value = 'b';
+}
+
+testobj.watch("value", watched);
+
+setTest();
+
+reportCompare(expect, actual, summary);