[Bug c++/86917] [7/8/9 Regression] ICE in verify_ctor_sanity, at cp/constexpr.c:2798

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86917

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
The problem is that cxx_eval_vec_init_1 doesn't expect/handle the "from_array"
case.