[Bug libstdc++/97828] std::ranges::search_n does not work with counted_iterator<_List_iterator<...>>

[ppalka at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97828

--- Comment #7 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Patch posted at
https://gcc.gnu.org/pipermail/libstdc++/2020-November/051458.html