diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/extensions/arguments-property-access-in-function.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/extensions/arguments-property-access-in-function.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ *   Jeff Walden <jwalden+code@mit.edu>
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 721322;
+var summary =
+  'f.arguments must trigger an arguments object in non-strict mode functions';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var obj =
+  {
+    test: function()
+    {
+      var args = obj.test.arguments;
+      assertEq(args !== null, true);
+      assertEq(args[0], 5);
+      assertEq(args[1], undefined);
+      assertEq(args.length, 2);
+    }
+  };
+obj.test(5, undefined);
+
+var sobj =
+  {
+    test: function()
+    {
+     "use strict";
+
+      try
+      {
+        var args = sobj.test.arguments;
+        throw new Error("access to arguments property of strict mode " +
+                        "function didn't throw");
+      }
+      catch (e)
+      {
+        assertEq(e instanceof TypeError, true,
+                 "should have thrown TypeError, instead got: " + e);
+      }
+    }
+  };
+sobj.test(5, undefined);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");