[Bug c++/81607] Conditional operator: "type mismatch in shift expression" error

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81607

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
cp_genericize_r does this fix-up too, and so has to cp_fold, but apparently
what's in cp_fold isn't enough.