diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_5/regress/regress-586482-2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_5/regress/regress-586482-2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,22 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var expect = true;
+var actual;
+
+var checkCaller = function(me) {
+    var caller = arguments.callee.caller;
+    var callerIsMethod = (caller === me['doThing']);
+    actual = callerIsMethod;
+};
+
+Object.prototype.doThing = function() {
+    checkCaller(this);
+};
+
+["dense"].doThing();
+
+reportCompare(expect, actual, "ok");