https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113283
--- Comment #9 from Arsen Arsenović <arsen at gcc dot gnu.org> --- (In reply to cqwrteur from comment #6) > if someone writes an operating system or libc，he can ensure the abi being > the same. that's a job of theirs. they can and should add OS defines for their OS.
