https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63191
--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #12) > For the C++ FE, the question here is why we actually emit dynamic > initialization at all. If constexpr is added to the ctor, then we just emit > the initializer, but even without the constexpr I'd think that if the ctor > has empty body and trivial mem initializers and if all arguments of the > ctors are constants, as an optimization we should handle it as if it was > declared constexpr. Jason? I think there is a PR somewhere suggesting C++ should (for all initializers) try constexpr evaluation. It's much harder to do this in the middle-end.
