Re: [PULL 11/24] tcg/optimize: Use tcg_constant_internal with constant folding

[David Hildenbrand]

On 04.02.21 07:41, David Hildenbrand wrote:
> > Am 04.02.2021 um 03:22 schrieb Richard Henderson <richard.henderson@linaro.org>:
> >
> > On 2/1/21 10:45 AM, Richard W.M. Jones wrote:
> > > This commit breaks running certain s390x binaries, at least
> > > the "mount" command (or a library it uses) breaks.
> > >
> > > More details in this BZ:
> > >
> > > https://bugzilla.redhat.com/show_bug.cgi?id=1922248
> > >
> > > Could we revert this change since it seems to have caused other
> > > problems as well?
> >
> > Well, the other problems have been fixed (which were in fact latent, and could
> > have been produced by other means).  I would not like to sideline this patch
> > set indefinitely.
> >
> > Could you give me some help extracting the relevant binaries?  "Begin with an
> > s390x host" is a non-starter.
>
> Hi,
>
> I‘m planning on reproducing it today or tomorrow. Especially, finding a 
> reproducer and trying reproducing on x86-64 host.

FWIW, on an x86-64 host, I can boot F32, Fedora rawhide, and RHEL8.X 
just fine from qcow2 (so "mount" seems to work in that environment as 
expected). Maybe it's really s390x-host specific? I'll give it a try.

--
Thanks,

David / dhildenb