// NOTE(mrry): The Tdense attr is derived from dense_defaults, so we
  // do not need to validate dense_defaults.
  auto dense_types_count =
      std::distance(op.getTdense().begin(), op.getTdense().end());
  auto dense_values_count =
      std::distance(op.getDenseValues().begin(), op.getDenseValues().end());
  if (dense_values_count != dense_types_count) {