[Bug c++/80864] [7/8/9/ Regression] Brace-initialization of a constexpr variable of an array in a POD triggers ICE from templates

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80864

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Another test from PR88028:

struct S {};
struct A { S s[1]; };

template <typename>
struct R { static constexpr auto h = A{S{}}; };

A foo = R<int>::h;