[Bug c++/123789] -Wunused-value false-positive for binary fold over comma

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123789

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I thought there was another Wunused vs fold expressions already.