https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110009
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Georg-Johann Lay from comment #1)
> (In reply to Andrew Pinski from comment #0)
> > unsigned
> > f1 (int v)
> > {
> > [...]
> > int b_5;
> >
> > b_5 = v>>(sizeof(v)*8 - 1);
>
> Does it depend on -fwrapv maybe.
No in this case there is a missing pattern to match against.
