Replace double-negated !SourceLocation.isInvalid() with SourceLocation.isValid().

llvm-svn: 249228

clang/lib/CodeGen/CodeGenModule.cpp

@@ -1281,7 +1281,7 @@ bool CodeGenModule::isInSanitizerBlacklist(llvm::Function *Fn,
   if (SanitizerBL.isBlacklistedFunction(Fn->getName()))
     return true;
   // Blacklist by location.
-  if (!Loc.isInvalid())
+  if (Loc.isValid())
     return SanitizerBL.isBlacklistedLocation(Loc);
   // If location is unknown, this may be a compiler-generated function. Assume
   // it's located in the main file.