message: Update chlo_ops.cc
diff: @@ -49,7 +49,7 @@ static Type GetBroadcastType(Type x, Type y, Type element_type,
  if (shape_x.size() == shape_y.size()) {
  llvm::SmallVector<int64_t, 4> out_shape(shape_x.size());
  - for (size_t i = 0; i < shape_x.size(); i++) {
  + for (int i = 0, e = shape_x.size(); i < e; i++) {
  auto x_val = shape_x[i];
  auto y_val = shape_y[i];
  if (x_val == -1 || y_val == -1) {
  