message: Fix mul_test with Clang 8.0.0
diff: @@ -107,7 +107,7 @@ TEST(FloatMulOpTest, ActivationRELU_N1_TO_1) {
  }
  TEST(FloatMulOpTest, VariousInputShapes) {
  - std::vector<std::initializer_list<int>> test_shapes = {
  + std::vector<std::vector<int>> test_shapes = {
  {6}, {2, 3}, {2, 1, 3}, {1, 3, 1, 2}};
  for (int i = 0; i < test_shapes.size(); ++i) {
  FloatMulOpModel m({TensorType_FLOAT32, test_shapes[i]},
  @@ -124,7 +124,7 @@ TEST(FloatMulOpTest, VariousInputShapes) {
  }
  TEST(FloatMulOpTest, WithBroadcast) {
  - std::vector<std::initializer_list<int>> test_shapes = {
  + std::vector<std::vector<int>> test_shapes = {
  {6}, {2, 3}, {2, 1, 3}, {1, 3, 1, 2}};
  for (int i = 0; i < test_shapes.size(); ++i) {
  FloatMulOpModel m({TensorType_FLOAT32, test_shapes[i]},
  @@ -161,7 +161,7 @@ TEST(IntegerMulOpTest, ActivationRELU_N1_TO_1) {
  }
  TEST(IntegerMulOpTest, VariousInputShapes) {
  - std::vector<std::initializer_list<int>> test_shapes = {
  + std::vector<std::vector<int>> test_shapes = {
  {6}, {2, 3}, {2, 1, 3}, {1, 3, 1, 2}};
  for (int i = 0; i < test_shapes.size(); ++i) {
  IntegerMulOpModel m({TensorType_INT32, test_shapes[i]},
  @@ -176,7 +176,7 @@ TEST(IntegerMulOpTest, VariousInputShapes) {
  }
  TEST(IntegerMulOpTest, WithBroadcast) {
  - std::vector<std::initializer_list<int>> test_shapes = {
  + std::vector<std::vector<int>> test_shapes = {
  {6}, {2, 3}, {2, 1, 3}, {1, 3, 1, 2}};
  for (int i = 0; i < test_shapes.size(); ++i) {
  IntegerMulOpModel m({TensorType_INT32, test_shapes[i]},
  @@ -245,7 +245,7 @@ float GetTolerance(int min, int max) {
  TEST(QuantizedMulOpTest, WithBroadcast) {
  float kQuantizedTolerance = GetTolerance(-3.0, 3.0);
  - std::vector<std::initializer_list<int>> test_shapes = {
  + std::vector<std::vector<int>> test_shapes = {
  {6}, {2, 3}, {2, 1, 3}, {1, 3, 1, 2}};
  for (int i = 0; i < test_shapes.size(); ++i) {
  QuantizedMulOpModel m({TensorType_UINT8, test_shapes[i], -3.0, 3.0},
  