diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_3/Object/8.6.2.6-002.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_3/Object/8.6.2.6-002.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 476624;
+var summary = '[[DefaultValue]] should not call valueOf, toString with an argument';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = actual = 'No exception';
+
+  try
+  { 
+    var o = { 
+    valueOf: function() 
+    { 
+        if (arguments.length !== 0) 
+          throw "unexpected arguments!  arg1 type=" + typeof arguments[0] + ", value=" +
+            arguments[0]; 
+        return 2; 
+    } 
+    };
+    o + 3;
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}