https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119528
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to akallabeth+gnu from comment #2) > as for your suggestion, this will fail as the function designated > deallocator has not been declared... You clearly have not tried that (sure, with the missing ) after deprecated attributes added.