[Bug libstdc++/121819] Shall std::is_integral/make_signed/make_unsigned always be defined for int128 ?

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121819

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #3)
> That works be an ABI break, and require a new glibc.

* That would be...