https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79671
--- Comment #70 from Michael Matz <matz at gcc dot gnu.org> --- (In reply to rguent...@suse.de from comment #69) > As I noted elsewhere union members in C++ seem to be pure convenience and a > union contains implicit members of all types (well, somehow factor in > alignment). Well, the whole introduction of "object representation" is clearly a very bad idea if you want to avoid the above, but let's assume that the above is really not intended. So let's wait for answers to the questions and not see darkness wherever we go :)