Function CopyConstruct

common/values/error_value.h:139–147

  }

  void CopyConstruct(const ErrorValue& other) {
    arena_ = other.arena_;
    if (arena_ == nullptr) {
      ::new (static_cast<void*>(&status_.val[0])) absl::Status(*std::launder(
          reinterpret_cast<const absl::Status*>(&other.status_.val[0])));
    } else {
      status_.ptr = other.status_.ptr;
    }
  }

  void MoveConstruct(ErrorValue& other) {
    arena_ = other.arena_;