https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90415
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[9/10 Regression] |[9 Regression] |std::is_copy_constructible< |std::is_copy_constructible< |std::tuple<std::any>> is |std::tuple<std::any>> is |incomplete |incomplete --- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> --- Fixed on master so far, backport to follow soon.