[Bug libstdc++/101867] avr libc build error for libstdc++

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101867

--- Comment #15 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to cqwrteur from comment #14)
> Whatever. i have successfully built that. It works very well tbh.

Excellent!