diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/extensions/getOwnPropertyNames-__proto__.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/extensions/getOwnPropertyNames-__proto__.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 690031;
+var summary =
+  'Exclude __proto__ from showing up when enumerating properties of ' +
+  'Object.prototype again';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var keys = Object.getOwnPropertyNames(Object.prototype);
+assertEq(keys.indexOf("__proto__"), -1,
+         "shouldn't have gotten __proto__ as a property of Object.prototype " +
+         "(got these properties: " + keys + ")");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");