https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106223
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|UNCONFIRMED |RESOLVED
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You missed this part: "meets the standard library requirements for the original
template."
std::forward cannot do anything except for the forwarding part so yes it is
undefined.
