[Bug middle-end/110228] [14 Regression] llvm-16 miscompilation on small case switch, minimized

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110228

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Adding :

        default:__builtin_unreachable();

Makes the testcase in this report work.
Maybe there should be an assert in LLVM's code too ...