https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115954
--- Comment #7 from Wilco <wilco at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #6) > https://gitlab.com/x86-psABIs/i386-ABI/-/issues/1 for x86_64 abi. > > Aarch64 should most likely also do the same ... Yes, that's why I raised this - GCC only over aligning some sizes seems more an accident rather than a designed ABI.