diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_2/Exceptions/lexical-007.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_2/Exceptions/lexical-007.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+/* -*- 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:          lexical-005.js
+   Corresponds To:     7.4.1-3-n.js
+   ECMA Section:       7.4.1
+
+   Description:
+
+   Reserved words cannot be used as identifiers.
+
+   ReservedWord ::
+   Keyword
+   FutureReservedWord
+   NullLiteral
+   BooleanLiteral
+
+   Author:             christine@netscape.com
+   Date:               12 november 1997
+*/
+var SECTION = "lexical-005";
+var VERSION = "JS1_4";
+var TITLE   = "Keywords";
+
+startTest();
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+var result = "Failed";
+var exception = "No exception thrown";
+var expect = "Passed";
+
+try {
+  eval("false = true;");
+} catch ( e ) {
+  result = expect;
+  exception = e.toString();
+}
+
+new TestCase(
+  SECTION,
+  "false = true" +
+  " (threw " + exception +")",
+  expect,
+  result );
+
+test();
+