https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82705
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |FIXME --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- /* Doing sibling call optimization needs some work, since structure_value_addr can be allocated on the stack. It does not seem worth the effort since few optimizable sibling calls will return a structure. */ if (structure_value_addr != NULL_RTX) { maybe_complain_about_tail_call (exp, _("callee returns a structure")); return false; }