Re: [PATCH] sched: Work around undefined behavior in sched class checking

[Nick Desaulniers]

On Wed, May 5, 2021 at 7:39 AM Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote:
>
> >  Would you please provide a
> > minimal test case?
>
> You can only reproduce it with a LTO build because it needs knowledge
> between different translation units for this specific case.
>
> But gcc will totally do the optimization even without LTO if it can
> prove the same inside a single TU.

It would be helpful to isolate a test case that doesn't rely on LTO,
if possible.
-- 
Thanks,
~Nick Desaulniers