From d35b1a2f21b9707a501563d8e4216204bb17dbb8 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Tue, 9 Nov 2010 17:46:38 +0000
Subject: [PATCH] Really fix the leak in the attributes list.  Thanks to
 Benjamin Kramer for pointing out how I was being stupid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118588 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/Attributes.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp
index c9240e534c7..37a217fc8c5 100644
--- a/lib/VMCore/Attributes.cpp
+++ b/lib/VMCore/Attributes.cpp
@@ -131,8 +131,8 @@ public:
   }
   void DropRef() {
     sys::SmartScopedLock<true> Lock(*ALMutex);
-    sys::cas_flag old = RefCount++;
-    if (old == 1)
+    sys::cas_flag new_val = RefCount--;
+    if (new_val == 0)
       delete this;
   }