message: Restore call to GetPlatformClangArguments
diff: #include <unordered_set>
  #include <vector>
  +extern bool gTestOutputMode;
  +
  struct CompileCommandsEntry {
  std::string directory;
  std::string file;
  @@ -208,6 +210,12 @@ Project::Entry GetCompilationEntryFromCompileCommandEntry(
  if (!AnyStartsWith(args, "-working-directory"))
  result.args.emplace_back("-working-directory=" + entry.directory);
  + if (!gTestOutputMode) {
  + std::vector<const char*> platform = GetPlatformClangArguments();
  + for (auto arg : platform)
  + result.args.push_back(arg);
  + }
  +
  bool next_flag_is_path = false;
  bool add_next_flag_to_quote_dirs = false;
  bool add_next_flag_to_angle_dirs = false;
  @@ -622,6 +630,7 @@ TEST_SUITE("Project") {
  std::vector<std::string> raw,
  std::vector<std::string> expected) {
  g_disable_normalize_path_for_test = true;
  + gTestOutputMode = true;
  Config config;
  ProjectConfig project;
  