[Bug libstdc++/114018] std::nexttoward is not implemented for C++23-FP-Types

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114018

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So if godbolt uses an older version of glibc for x86_64 then report it to them
not us.