From 3268081d1f5cc0b813f2ba46a1c679f4cc86a0e3 Mon Sep 17 00:00:00 2001
From: Ross Boucher <ross@280north.com>
Date: Sat, 7 Mar 2009 21:54:39 -0800
Subject: [PATCH] CPDictionary should check for isa's before calling isEqual:
 in isEqualToDictionary:

---
 Foundation/CPDictionary.j | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Foundation/CPDictionary.j b/Foundation/CPDictionary.j
index 593558502..1c6238a2b 100755
--- a/Foundation/CPDictionary.j
+++ b/Foundation/CPDictionary.j
@@ -236,7 +236,7 @@
         if (lhsObject === rhsObject)
             continue;
             
-        if ([lhsObject respondsToSelector:@selector(isEqual:)] && [lhsObject isEqual:rhsObject])
+        if (lhsObject.isa && rhsObject.isa && [lhsObject respondsToSelector:@selector(isEqual:)] && [lhsObject isEqual:rhsObject])
             continue;
         
         return NO;