From 7c9cc461651e1acb8c1c9c19141d8477c86c6976 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 18 Mar 2011 02:55:51 +0000
Subject: Check RequiresNullTerminator first, or we might read from an invalid
 address.

llvm-svn: 127853
---
 llvm/lib/Support/MemoryBuffer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Support/MemoryBuffer.cpp')

diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index 63a1c54a40f..c08e91a3824 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -48,7 +48,7 @@ MemoryBuffer::~MemoryBuffer() { }
 /// memory, memory that we know is already null terminated.
 void MemoryBuffer::init(const char *BufStart, const char *BufEnd,
                         bool RequiresNullTerminator) {
-  assert((BufEnd[0] == 0 || !RequiresNullTerminator) &&
+  assert((!RequiresNullTerminator || BufEnd[0] == 0) &&
          "Buffer is not null terminated!");
   BufferStart = BufStart;
   BufferEnd = BufEnd;
-- 
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