diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_3/RegExp/regress-76683.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_3/RegExp/regress-76683.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,80 @@
+/* -*- 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/. */
+
+/*
+ * Date: 01 May 2001
+ *
+ * SUMMARY: Regression test for Bugzilla bug 76683 on Rhino:
+ * "RegExp regression (NullPointerException)"
+ *
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=76683
+ */
+//-----------------------------------------------------------------------------
+var i = 0;
+var BUGNUMBER = 76683;
+var summary = 'Regression test for Bugzilla bug 76683';
+var status = '';
+var statusmessages = new Array();
+var pattern = '';
+var patterns = new Array();
+var string = '';
+var strings = new Array();
+var actualmatch = '';
+var actualmatches = new Array();
+var expectedmatch = '';
+var expectedmatches = new Array();
+
+
+/*
+ * Rhino (2001-04-19) crashed on the 3rd regular expression below.
+ * It didn't matter what the string was. No problem in SpiderMonkey -
+ */
+string = 'abc';
+status = inSection(1);
+pattern = /(<!--([^-]|-[^-]|--[^>])*-->)|(<([\$\w:\.\-]+)((([ ][^\/>]*)?\/>)|(([ ][^>]*)?>)))/;
+actualmatch = string.match(pattern);
+expectedmatch = null;
+addThis();
+
+status = inSection(2);
+pattern = /(<!--([^-]|-[^-]|--[^>])*-->)|(<(tagPattern)((([ ][^\/>]*)?\/>)|(([ ][^>]*)?>)))/;
+actualmatch = string.match(pattern);
+expectedmatch = null;
+addThis();
+
+// This was the one causing a Rhino crash -
+status = inSection(3);
+pattern = /(<!--([^-]|-[^-]|--[^>])*-->)|(<(tagPattern)((([ ][^\/>]*)?\/>)|(([ ][^>]*)?>)))|(<\/tagPattern[^>]*>)/;
+actualmatch = string.match(pattern);
+expectedmatch = null;
+addThis();
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+
+function addThis()
+{
+  statusmessages[i] = status;
+  patterns[i] = pattern;
+  strings[i] = string;
+  actualmatches[i] = actualmatch;
+  expectedmatches[i] = expectedmatch;
+  i++;
+}
+
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+  testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
+  exitFunc ('test');
+}