[Bug c++/70323] [6 regression] missing error on integer overflow in constexpr function result converted to bool

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70323

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
That's odd.  I do have local changes in my tree but I verified it on three
other machines.  I've retested with today's pristine top of trunk on
powerpc64le, still with no errors.