message: Remove support for -Xgcc-only= options.
diff: @@ -74,13 +74,13 @@ toolchain {
  compiler_flag: "-fstack-protector"
  linker_flag: "-Wl,-z,relro,-z,now"
  + # TODO(b/151234342): Clean up the following options.
  # This adds a little bit more durability to our Clang build.
  #
  # Folks who do maintenance work on TF Bazel Clang should consider
  # commenting out these lines, while doing that work, to gain a better
  # understanding of what the intersection of support looks like between GCC
  - # and Clang. Please note that, Bazel does not support
  - # -Xclang-only / -Xgcc-only.
  + # and Clang. Please note that Bazel does not support -Xclang-only.
  compiler_flag: "-Wno-unknown-warning-option"
  compiler_flag: "-Wno-unused-command-line-argument"
  compiler_flag: "-Wno-ignored-optimization-argument"
  