From 03322645a9e6b7708899fb36b4e3c2c7f536cf73 Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Thu, 25 Jun 2015 18:51:26 +1000
Subject: [PATCH] Fix Ary#toString et al.

---
 common/modules/base.jsm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/modules/base.jsm b/common/modules/base.jsm
index e7f37a01..6b9b30c9 100644
--- a/common/modules/base.jsm
+++ b/common/modules/base.jsm
@@ -1819,7 +1819,7 @@ var Ary = Class("Ary", Array, {
                 if (prop == "array")
                     return target;
 
-                if (prop in Ary && callable(Ary[prop]))
+                if (hasOwnProperty(Ary, prop) && callable(Ary[prop]))
                     return arrayWrap(Ary[prop].bind(Ary, target));
 
                 let p = target[prop];