message: Ignore cl's -showIncludes
diff: @@ -80,7 +80,7 @@ std::vector<std::string> kBlacklistMulti = {
  // Blacklisted flags which are always removed from the command line.
  std::vector<std::string> kBlacklist = {
  - "-c", "-MP", "-MD", "-MMD", "--fcolor-diagnostics",
  + "-c", "-MP", "-MD", "-MMD", "--fcolor-diagnostics", "-showIncludes"
  };
  // Arguments which are followed by a potentially relative path. We need to make
  