diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma/LexicalConventions/7.5-2-n.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma/LexicalConventions/7.5-2-n.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- 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:          7.5-2-n.js
+   ECMA Section:       7.5 Identifiers
+   Description:        Identifiers are of unlimited length
+   - can contain letters, a decimal digit, _, or $
+   - the first character cannot be a decimal digit
+   - identifiers are case sensitive
+
+   Author:             christine@netscape.com
+   Date:               11 september 1997
+*/
+var SECTION = "7.5-2-n";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE   = "Identifiers";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+DESCRIPTION = "var 0abc";
+EXPECTED = "error";
+
+new TestCase( SECTION,    "var 0abc",   "error",    eval("var 0abc") );
+
+test();