message: [ObjectFileMachO] FileSpec::SetFile() now takes the style as arg.
  Another block that's only compiled on __arm64__ and wasn't
  updated.
  <rdar://problem/55916729>
diff: @@ -3131,7 +3131,7 @@ size_t ObjectFileMachO::ParseSymtab() {
  if (!FileSystem::Instance().Exists(so_dir)) {
  so_dir.SetFile(
  &full_so_path[double_slash_pos + 1],
  - false);
  + FileSpec::Style::native);
  if (FileSystem::Instance().Exists(so_dir)) {
  // Trim off the incorrect path
  full_so_path.erase(0,
  