From fa69c71dce481176b64546b5fbc098c967164575 Mon Sep 17 00:00:00 2001
From: Erich Keane <erich.keane@intel.com>
Date: Fri, 9 Feb 2018 00:13:49 +0000
Subject: [PATCH] Fix UBSan issue with PPC::isValidCPUName

Apparently storing the pointer to a StringLiteral as
a StringRef caused this section of code to issue a ubsan
warning.  This will hopefully fix that.

llvm-svn: 324687
---
 clang/lib/Basic/Targets/PPC.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 40211dba28ec..3516a7380989 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -493,8 +493,7 @@ static constexpr llvm::StringLiteral ValidCPUNames[] = {
 };
 
 bool PPCTargetInfo::isValidCPUName(StringRef Name) const {
-  const StringRef *FoundName = llvm::find(ValidCPUNames, Name);
-  return FoundName != std::end(ValidCPUNames);
+  return llvm::find(ValidCPUNames, Name) != std::end(ValidCPUNames);
 }
 
 void PPCTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {