diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-375344.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-375344.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+/* -*- 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 = 375344;
+var summary = 'accessing prototype of DOM objects should throw catchable error';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+if (typeof HTMLElement != 'undefined')
+{
+  expect = /TypeError/;
+  try 
+  {
+    print(HTMLElement.prototype.nodeName);
+  }
+  catch(ex) 
+  {
+    actual = ex + '';
+    print(actual);
+  }
+  reportMatch(expect, actual, summary);
+}
+else
+{
+  expect = actual = 'Test can only run in a Gecko 1.9 browser or later.';
+  print(actual);
+  reportCompare(expect, actual, summary);
+}