warning: public documentation for `public_item` links to private item `PrivateType`
  --> $DIR/issue-74134.rs:19:11
   |
LL |     /// [`PrivateType`]
   |           ^^^^^^^^^^^ this item is private
   |
   = note: this link resolves only because you passed `--document-private-items`, but will break without
   = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default

warning: 1 warning emitted