Re: [PATCH] ipa: Self-DCE of uses of removed call LHSs (PR 108007)

[Andrew Pinski <pinskia@gmail.com>]

On Wed, Oct 4, 2023 at 5:08 PM Maciej W. Rozycki <macro@orcam.me.uk> wrote:
>
> On Tue, 3 Oct 2023, Martin Jambor wrote:
>
> > > SSA graph may be deep so this may cause stack overflow, so I think we
> > > should use worklist here (it is also easy to do).
> > >
> > > OK with that change.
> > > Honza
> >
> > I have just committed the following after a bootstrap and testing on
> > x86_64-linux.
>
>  This has regressed the native `powerpc64le-linux-gnu' configuration,
> which doesn't bootstrap here anymore:
>
> Comparing stages 2 and 3
> Bootstrap comparison failure!
> powerpc64le-linux-gnu/libstdc++-v3/src/compatibility-ldbl.o differs
> powerpc64le-linux-gnu/libstdc++-v3/src/.libs/compatibility-ldbl.o differs
>
> I have double-checked this is indeed the offending commit, the compiler
> bootstraps just fine as at commit 7eb5ce7f58ed ("Remove pass counting in
> VRP.").
>
>  Shall I file a PR, or can you handle it regardless?  Let me know if you
> need anything from me.

It is already filed as https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111688 .

Thanks,
Andrew

>
>   Maciej