[objc] 64-bit failures

[Eric Botcazou]

> > > FAIL: objc.dg/call-super-2.m (test for excess errors)
> > > FAIL: objc.dg/desig-init-1.m (test for excess errors)
> >
> > Do you see these ones too (like on SPARC64)?
> >
> > FAIL: objc.dg/encode-2.m execution test
> > FAIL: objc.dg/encode-3.m execution test
> > FAIL: objc.dg/proto-qual-1.m execution test
>
> I see all five on hppa64.

Yes, and I see them on x86_64 too so this is not a mere artifact of the close 
resemblance between HP-PA and SPARC.

-- 
Eric Botcazou