https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103810
--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to jos...@codesourcery.com from comment #1) > Note also that there is a proposal for C23 (N2854) to allow such > functions, including changing the requirements on va_start to make it > possible to read their arguments. OK, but even if it becomes accepted as standard C in C23, I'm assuming the flag would still stick around for previous standards?