message: Don't check for non-exceptions right now as Kythe uses it.
  But leave in the commented-out section so that we can
  easily re-enable it later.
diff: @@ -21,7 +21,9 @@ source ./.github/settings.sh
  # Make sure we don't have cc_library rules that use exceptions but do not
  # declare copts = ["-fexceptions"] in the rule. We want to make it as simple
  # as possible to compile without exceptions.
  -BAZEL_OPTS="${BAZEL_OPTS} --cxxopt=-fno-exceptions"
  +# ... and unfortunately we have to disable this for now as the external
  +# kythe dependency does use exceptions.
  +#BAZEL_OPTS="${BAZEL_OPTS} --cxxopt=-fno-exceptions"
  # Turn warnings to 11. And fail compliation if we encounter one.
  BAZEL_OPTS="${BAZEL_OPTS} --cxxopt=-Werror" # Always want bail on warning
  