https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104055
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #2) > Now, I think the initializer shouldn't be > refering to the slot decl (e.g. take its address), because that wouldn't be > a constant expression. Note that sounds similar to the issue in PR 104000 :) (which I just happened to look and then start go down a hole looking into consteval bug reports).