[Bug c++/89532] [9 Regression] internal compiler error: in type_has_nontrivial_copy_init, at cp/tree.c:4024

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89532

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
struct tuple;
template <decltype(tuple {})>
struct S { };