diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/JSON/stringify-toJSON-arguments.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/JSON/stringify-toJSON-arguments.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var gTestfile = 'stringify-toJSON-arguments.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 584909;
+var summary = "Arguments when an object's toJSON method is called";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var obj =
+  {
+    p: {
+         toJSON: function(key)
+         {
+           assertEq(arguments.length, 1);
+           assertEq(key, "p");
+           return 17;
+         }
+       }
+  };
+
+assertEq(JSON.stringify(obj), '{"p":17}');
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");