message: [XLA/AOT] Add check for --help command line option.
diff: @@ -136,6 +136,10 @@ int main(int argc, char** argv) {
  tensorflow::string usage = tensorflow::tfcompile::kUsageHeader;
  usage += tensorflow::Flags::Usage(argv[0], flag_list);
  + if (argc > 1 && absl::string_view(argv[1]) == "--help") {
  + std::cerr << usage << "\n";
  + return 0;
  + }
  bool parsed_flags_ok = tensorflow::Flags::Parse(&argc, argv, flag_list);
  QCHECK(parsed_flags_ok) << "\n" << usage;
  