[Bug c++/85823] Boost.Tribool fails to compile: error: '(tribool::dummy::nonnull != 0)' is not a constant expression

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85823

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80485