[Bug middle-end/80421] [5 Regression] Case dispatch is scrambled in switch-statement

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80421

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #3)
> Confirmed, only GCC 5.x is affected. Started to be fixed on trunk by
> r227307. adding Jeff to CC.

That might be covering up a latent bug depending on where the failure was
introduced.