message: [Cherrypick:r.24] Pass cc_opt_flags to host_copt
diff: @@ -538,6 +538,7 @@ def set_cc_opt_flags(environ_cp):
  # TODO(mihaimaruseac): we removed `-march=native` above
  #if not is_ppc64le() and not is_windows():
  # write_to_bazelrc('build:opt --host_copt=-march=native')
  + write_to_bazelrc('build:opt --host_copt=%s' % opt)
  write_to_bazelrc('build:opt --define with_default_optimizations=true')
  