https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78188
--- Comment #19 from David Edelsohn <dje at gcc dot gnu.org> --- I will try if (HAVE_COMDAT_GROUP) symbol->set_comdat_group (comdat_group); else symbol->set_comdat_group (NULL); in varasm.c:make_decl_one_only().