https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99811
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|ice-on-invalid-code |ice-on-valid-code Target Milestone|--- |11.3 Last reconfirmed| |2021-12-14 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- All reduced to: template<typename T, typename U> concept C = sizeof(T) == 0; template<typename T> void g5() { []() -> C<T> auto{ return T(); }(); } template void g5<int>(); Confirmed.