message: Skip tensors with null buffers.
diff: @@ -206,6 +206,14 @@ std::vector<TensorInfo> GetQuantizableTensorsFromOperator(
  continue;
  }
  + // Some tensors may have a null buffer vector, indicating an intermediate
  + // array.
  + if (model->buffers[tensor->buffer]->data.data() == nullptr) {
  + LOG(INFO) << "Skipping quantization of tensor " << tensor->name
  + << " because it has no allocated buffer.";
  + continue;
  + }
  +
  TensorInfo tensor_info;
  tensor_info.eval_hybrid = eval_hybrid;
  tensor_info.op_input_idx = op_input_idx;
  