message: use `delete[]` instead of `delete`
diff: @@ -52,7 +52,7 @@ void CompareNumericalAndManualGradients(
  for (int j = 0; j < num_grad; j++) {
  ASSERT_NEAR(dnumerical[j], expected_grad[j], abs_error);
  }
  - delete dnumerical;
  + delete[] dnumerical;
  TF_DeleteTensor(numerical_tensor);
  }
  