absl::Span<VariableInfo const> variable_args,
    absl::flat_hash_map<int, const VariableInfo*>& variable_info_lookup) {
  for (const VariableInfo& info : variable_args) {
    if (!(!info.var() || info.lock_held() || info.shared_lock_held())) {
      return errors::Internal(
          "Need to hold the lock on resource variables "
          "before calling BuildXlaCompilerArguments");
    }