diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_4/Regress/toString-001-n.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_4/Regress/toString-001-n.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- 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/. */
+
+
+/**
+ *  File Name:          toString-001-n.js
+ *  Description:
+ *
+ *  Function.prototype.toString is not generic.
+ *
+ *  Author:             christine@netscape.com
+ *  Date:               11 August 1998
+ */
+var SECTION = "toString-001.js";
+var VERSION = "JS1_4";
+var TITLE   = "Regression test case for 310514";
+var BUGNUMBER="310514";
+
+startTest();
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+var o = {};
+o.toString = Function.prototype.toString;
+
+DESCRIPTION = "var o = {}; o.toString = Function.prototype.toString; o.toString();";
+EXPECTED = "error";
+
+new TestCase(
+  SECTION,
+  "var o = {}; o.toString = Function.prototype.toString; o.toString();",
+  "error",
+  o.toString() );
+
+test();