diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Object/vacuous-accessor-unqualified-name.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Object/vacuous-accessor-unqualified-name.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = 'vacuous-accessor-unqualified-name.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 560216;
+var summary =
+  "Using a name referring to a { get: undefined, set: undefined } descriptor " +
+  "shouldn't assert";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+Object.defineProperty(this, "x", { set: undefined });
+x;
+
+/******************************************************************************/
+
+reportCompare(true, true);
+
+print("All tests passed!");