https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55606
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Target Milestone|--- |8.0 Resolution|--- |FIXED --- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> --- C++20 added this support, G++ supports mixing styles by default but not out of order. It was explicitly decided not support out of order. So closing as fixed for GCC 8.