message: Resize block_size_ properly to avoid segfault.
diff: @@ -246,6 +246,7 @@ FormatConverter<T>::FormatConverter(const std::vector<int>& shape,
  int block_dim = 0;
  blocked_shape_.resize(original_rank);
  + block_size_.resize(block_map_.size());
  for (int i = 0; i < original_rank; i++) {
  if (block_dim < block_map_.size() && block_map_[block_dim] == i) {
  int orig_dim = traversal_order_[original_rank + block_dim];
  