[Bug libstdc++/114477] The user-defined constructor of filter_view::iterator is not fully compliant with the standard

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114477

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I submitted an NB comment for C++26 about this.