[Bug tree-optimization/119605] change the code fixup_cfg for __builtin_unreachable to be a verifier

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119605

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2025-04-03
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There could be other places which removes noreturn function and not replace it
with __builtin_unreachable but with a verifier that is early in GCC 16 should
be able to flush those out.