https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84075
--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to ensadc from comment #4)
> Further reduced:
>
> template < int > struct b { };
> template < typename n > struct g {
> typedef b< sizeof(n) > l;
> };
> template < typename h, typename = typename g< h >::l > class aa {};
> template < typename h, typename bz >
> void bj(aa< h, bz >, int);
> template < template < class > class ct > void bj(ct< class U >);
> void f() {
> bj(aa<int>(), 0);
> }
> ----
Hmm, it comes with -std=c++11 and -std=c++14 but not -std=c++17.
