From fe9b768aaa58b069dd2ea3c3e223a36d034656ea Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 17 Jul 2009 22:57:50 +0000
Subject: [PATCH] Fix possible null dereference in CFG construction.

llvm-svn: 76261
---
 clang/lib/Analysis/CFG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
index f85627e7d96b..fb3165ed395c 100644
--- a/clang/lib/Analysis/CFG.cpp
+++ b/clang/lib/Analysis/CFG.cpp
@@ -429,6 +429,7 @@ CFGBlock *CFGBuilder::VisitBinaryOperator(BinaryOperator *B, bool alwaysAdd) {
     return addStmt(B->getLHS());
   } 
   else if (B->getOpcode() == BinaryOperator::Comma) { // ,
+    autoCreateBlock();
     Block->appendStmt(B);
     addStmt(B->getRHS());
     return addStmt(B->getLHS());