r324687 - Fix UBSan issue with PPC::isValidCPUName

[Erich Keane via cfe-commits]

Author: erichkeane
Date: Thu Feb  8 16:13:49 2018
New Revision: 324687

URL: http://llvm.org/viewvc/llvm-project?rev=324687&view=rev
Log:
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.

Modified:
    cfe/trunk/lib/Basic/Targets/PPC.cpp

Modified: cfe/trunk/lib/Basic/Targets/PPC.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/PPC.cpp?rev=324687&r1=324686&r2=324687&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets/PPC.cpp (original)
+++ cfe/trunk/lib/Basic/Targets/PPC.cpp Thu Feb  8 16:13:49 2018
@@ -493,8 +493,7 @@ static constexpr llvm::StringLiteral Val
 };
 
 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 {