From a255dcd2d1432ae7d38be57d2c4b4622b8c4c2b1 Mon Sep 17 00:00:00 2001
From: theraven <theraven@72102866-910b-0410-8b05-ffd578937521>
Date: Tue, 5 Jul 2011 09:05:54 +0000
Subject: [PATCH] ...and fix dereferencing of NULL pointer introduced with last
 commit.

---
 arc.m | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arc.m b/arc.m
index 61e778c..62a6f67 100644
--- a/arc.m
+++ b/arc.m
@@ -372,6 +372,7 @@ id objc_loadWeakRetained(id* addr)
 {
 	LOCK_FOR_SCOPE(&weakRefLock);
 	id obj = *addr;
+	if (nil == obj) { return nil; }
 	if (&_NSConcreteStackBlock == obj->isa)
 	{
 		obj = block_load_weak(obj);