https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91085
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- IMHO not needed for 9.2, glibc will just behave as it used to be ever before with this header. I'd say let's fix it in on the trunk, let's fix PR80005 and then we can talk about backporting.
