[Bug libstdc++/115907] Libstdc++ and GCC itself should avoid glibc above 2.34 dependency

[unlvsur at live dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115907

--- Comment #9 from cqwrteur <unlvsur at live dot com> ---
(In reply to Andrew Pinski from comment #6)
> There is NO fix inside gcc/libstdc++.
> THe only fix is your build of GCC (which includes the target libraries)
> needs to be build against the oldest version of glibc you support. This is
> something which GCC cannot control.
> THIS IS HOW linking and backwards compatibility works.

That is a bad idea. I do not want to use old glibc. It will break in the future
just like i cannot link against glibc 2.25 any more.