https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110355
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|ASSIGNED |RESOLVED --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- Libstdc++ is correct, the example in https://wg21.link/p2587r3 is wrong.