message: dil: align data type of dst with src in pool backward
diff: @@ -61,7 +61,8 @@ struct pooling_backward : public dnnl::pooling_backward {
  algorithm aalgorithm,
  const engine& aengine = engine::cpu_engine()) {
  auto src_desc = src.get_desc().to_format_any();
  - auto dst_desc = dst.get_desc();
  + // align data type of diff_dst with src
  + auto dst_desc = dst.get_desc().to_type(src_desc.get_data_type());
  auto forward_hints =
  pooling_forward::primitive_desc(
  