[Bug libstdc++/117858] [15 regression] openrct2-0.4.16 fails to build (optional:823:52: error: incomplete type ‘std::__converts_from_optional’ used in nested name specifier)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117858

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This has been failing sometime before 20240727 (which is right after the
patches I mentioned).