message: refactor(aten::sum): Clarify code in sum converter
diff: @@ -80,20 +80,20 @@ auto reduce_registrations TRTORCH_UNUSED =
  [](ConversionCtx* ctx, const torch::jit::Node* n, args& args) -> bool {
  auto in_tensor = args[0].ITensorOrFreeze(ctx);
  auto dims = args[1].unwrapToIntList();
  - c10::List<int64_t> dims_copy;
  + c10::List<int64_t> calculated_dims;
  auto in_dims = util::toVec(in_tensor->getDimensions());
  LOG_DEBUG("InDims " << in_dims); // Some abuse of toDim but just for debug info
  LOG_DEBUG("Dim to reduce(original):" << util::toDims(dims)); // Some abuse of toDim but just for debug info
  for (int i = 0; i < dims.size(); i++) {
  auto dim_val = dims[i] == -1 ? (in_dims.size() - 1) : dims[i];
  - dims_copy.push_back(dim_val);
  + calculated_dims.push_back(dim_val);
  }
  - LOG_DEBUG("Dim to reduce(converted):" << util::toDims(dims_copy)); // Some abuse of toDim but just for debug info
  + LOG_DEBUG("Dim to reduce(converted):" << util::toDims(calculated_dims)); // Some abuse of toDim but just for debug info
  uint32_t axis_mask = 0;
  - for (size_t d = 0; d < dims_copy.size(); d++) {
  - axis_mask |= 1 << dims_copy[d];
  + for (size_t d = 0; d < calculated_dims.size(); d++) {
  + axis_mask |= 1 << calculated_dims[d];
  }
  LOG_DEBUG("Axis Mask" << std::bitset<32>(axis_mask));
  