https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84762
--- Comment #13 from Franz Sirl <sirl at gcc dot gnu.org> --- Yes, I can do a patch for GCC-9. Any idea for the option naming? Like -msvr4-struct-return-msb? Or should I consolidate -maix-struct-return and -msvr4-struct-return into -maggr-return-mode={aix,svr4,svr4gnu}?