message: fix omp name collision
diff: @@ -328,15 +328,15 @@ void run_kernel_col_reduction_sized_impl(
  const auto begin = row_block * rows_per_thread;
  const auto end = std::min(begin + rows_per_thread, rows);
  const auto base_col = col_block * block_size;
  - const auto identity = [](auto i) { return i; };
  + const auto identity_fn = [](auto i) { return i; };
  if (base_col + block_size <= cols) {
  run_kernel_col_reduction_sized_block_impl<block_size>(
  - fn, op, identity, identity,
  + fn, op, identity_fn, identity,
  partial.get_data() + cols * row_block, begin, end, base_col,
  args...);
  } else {
  run_kernel_col_reduction_sized_block_impl<remainder_cols>(
  - fn, op, identity, identity,
  + fn, op, identity_fn, identity,
  partial.get_data() + cols * row_block, begin, end, base_col,
  args...);
  }
  