https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78188
--- Comment #15 from David Edelsohn <dje at gcc dot gnu.org> --- Another option is to force the COMDAT group to NULL in set_comdat_group() if !HAVE_COMDAT_GROUP. That would allow the rest of the COMDAT functionality to continue to work. Does that make any sense to try?