From c1f354dcb82e2365a5fd1c39f11199dd2344cfb8 Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Mon, 9 Aug 2010 15:28:05 +0000
Subject: [PATCH] MC/MachO: Fix possible null pointer dereference.

Discovered by Microsoft Visual Studio 2010 Code Analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110575 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MachObjectWriter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp
index 7ca09511bde..d67dbc01e61 100644
--- a/lib/MC/MachObjectWriter.cpp
+++ b/lib/MC/MachObjectWriter.cpp
@@ -835,7 +835,7 @@ public:
       // FIXME: Currently, these are never generated (see code below). I cannot
       // find a case where they are actually emitted.
       Type = RIT_Vanilla;
-    } else {
+    } else if (SD) {
       // Check whether we need an external or internal relocation.
       if (doesSymbolRequireExternRelocation(SD)) {
         IsExtern = 1;