diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch10/10.5/10.5-1gs.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch10/10.5/10.5-1gs.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+
+/**
+ * @path ch10/10.5/10.5-1gs.js
+ * @description Strict Mode - arguments cannot be assigned to in a strict function
+ * @onlyStrict
+ * @negative ^((?!NotEarlyError).)*$
+ */
+
+"use strict";
+throw NotEarlyError;
+
+function f_10_5_1_gs(){
+    arguments = 7;
+}
+