to run test only

[chh]

Summary

DO NOT SUBMIT.
Only to run tests.

clang-tools-extra/clang-tidy/ClangTidy.cpp

 //===--- tools/extra/clang-tidy/ClangTidy.cpp - Clang tidy tool -----------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 ///
 ///  \file This file implements a clang-tidy tool.
 ///
 ///  This tool uses the Clang Tooling infrastructure, see
 ///    http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html
 ///  for details on setting it up with LLVM source tree.
 ///
 //===----------------------------------------------------------------------===//
 
+// Check with latest clang/llvm tests.
+
 #include "ClangTidy.h"
 #include "ClangTidyCheck.h"
 #include "ClangTidyDiagnosticConsumer.h"
 #include "ClangTidyModuleRegistry.h"
 #include "ClangTidyProfiling.h"
 #include "ExpandModularHeadersPPCallbacks.h"
 #include "clang-tidy-config.h"
 #include "clang/AST/ASTConsumer.h"