const string& op_name)
    : graph_(other.impl()->graph_),
      status_(other.impl()->status_),
      name_map_(other.impl()->name_map_),
      refiner_(other.impl()->refiner_),
      scope_used_(other.impl()->scope_used_),
      control_deps_(other.impl()->control_deps_),
      name_(name),
      op_name_(op_name),
      exit_on_error_(other.impl()->exit_on_error_),
      kernel_label_(other.impl()->kernel_label_),

  std::shared_ptr<ShapeRefiner> refiner_ = nullptr;

  // If scope_used_ is not nullptr, op_name_ should be empty and
  // GetUniqueNameForOp can only be called once on this scope. More calls to
  // GetUniqueNameForOp will cause an error status to be set on this scope.
  std::shared_ptr<bool> scope_used_ = nullptr;

  const std::vector<Operation> control_deps_;