https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89036
David Malcolm <dmalcolm at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dmalcolm at gcc dot gnu.org --- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Fails this assertion in cp/class.c:add_method: 1136 /* A class should never have more than one destructor. */ 1137 gcc_assert (!current_fns || via_using || !DECL_DESTRUCTOR_P (method));