diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-367121.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-367121.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,64 @@
+/* -*- 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 = 367121;
+var summary = 'self modifying script detection';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  if (typeof window == 'undefined')
+  {
+    actual = expect = 'Test skipped - Test must be run in the browser.';
+    reportCompare(expect, actual, summary);
+  }
+  else if (typeof Script == 'undefined')
+  {
+    actual = expect = 'Test skipped - Test requires Script object..';
+    reportCompare(expect, actual, summary);
+  }
+  else
+  {
+    gDelayTestDriverEnd = true;
+  }
+
+  exitFunc ('test');
+}
+
+function handleLoad()
+{
+  var iframe = document.body.appendChild(document.createElement('iframe'));
+	var d = iframe.contentDocument;
+
+	d.addEventListener("test", function(e) {
+      s.compile("");
+      Array(11).join(Array(11).join(Array(101).join("aaaaa")));
+    }, true);
+
+	var e = d.createEvent("Events");
+	e.initEvent("test", true, true);
+	var s = new Script("d.dispatchEvent(e);");
+	s.exec();
+
+  gDelayTestDriverEnd = false;
+  reportCompare(expect, actual, summary);
+  jsTestDriverEnd();
+}
+
+if (typeof window != 'undefined')
+{
+  window.onload = handleLoad;
+}