From 8d10cdd9aa1d58f1898adf7752a7026f151ebc04 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 20 Feb 2009 04:34:29 +0000
Subject: [PATCH] Fix potential use of uninitialized variable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65109 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/scan-build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/scan-build b/utils/scan-build
index fc6407e213..4f2a68ff9e 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -84,7 +84,7 @@ sub DieDiag {
 my $ClangSB = Cwd::realpath("$RealBin/cbin/clang");
 my $Clang = $ClangSB;
 
-if (! -x $ClangSB) {
+if (!defined $ClangSB || ! -x $ClangSB) {
   $Clang = "clang";
 }
 
-- 
2.40.0