On Thu, 9 Mar 2023, Thomas Koenig wrote:

> On 08.03.23 22:35, I wrote:
> > On 08.03.23 15:55, Paul Richard Thomas via Fortran wrote:
> >> As noted below, rnflow.f90 hangs with the unpatched mainline at -O3 but
> >> runs successfully at -O2.
> > 
> > I can confirm that.
> > 
> >> I presume that this is a serious regression since it involves optimization?
> >> Which component should I post it against?
> > 
> > Probably against tree-optimization.  If later analysis determines that
> > it is something else, people will reassign it.
> > 
> > This one probably calls for bisection.
> 
> I have submitted this as
> 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109075 .
> 
> Paul, thanks for catching this!
> 
> @Richard: Is there a possibility of doing regular Polyhedron runs
> at Suse in addition to the SPEC runs?  This could also be interesting.

We do run Polyhedron on a variety of machines already, you can visit
https://lnt.opensuse.org/db_default/v4/CPP/latest_runs_report
which is the benchmark set that includes polyhedron.

Richard.