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

llvm-svn: 249228
diff --git a/clang/lib/Basic/SanitizerBlacklist.cpp b/clang/lib/Basic/SanitizerBlacklist.cpp
index 095fcd6..de78c94 100644
--- a/clang/lib/Basic/SanitizerBlacklist.cpp
+++ b/clang/lib/Basic/SanitizerBlacklist.cpp
@@ -40,7 +40,7 @@
 
 bool SanitizerBlacklist::isBlacklistedLocation(SourceLocation Loc,
                                                StringRef Category) const {
-  return !Loc.isInvalid() &&
+  return Loc.isValid() &&
          isBlacklistedFile(SM.getFilename(SM.getFileLoc(Loc)), Category);
 }