https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81533
--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- (In reply to Richard Biener from comment #1) > I think there's a separate PR with the suggestion to try constexpr > evaluation of all constructors for optimization. Addresses are not constexpr because they are not known at compile-time.