https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85244
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Isn't non-NULL next fine in unions?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85244
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Isn't non-NULL next fine in unions?