https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91710
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 50421 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50421&action=edit gcc11-pr91710.patch So perhaps pass the old alignment to the caller and let that function verify if it is really a potential ABI change or not?