https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68045
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > I don't think the crash is actually related to concepts, if the same problem > happened for fortran code. The 2 ICEs are unrelated, both are segfault in contains_struct_check which usually means a nullptr :).
