[Bug libstdc++/120305] Cannot create a std::vector from a std::ranges::transform_view.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120305

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to aneris from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > The difference is int128_t support.
> 
> Could you elaborate a bit? I am afraid I don't follow.

I am saying why `-std=c++20 -pedantic` fails but `-std=gnu++20 -pedantic`
works. it seems related to int128_t support in libstdc++. I have not looked
further than that.