Bootstrap comparison failures on i586 (mainline)

[Graham Stott]

Bernd Schmidt wrote:
> 
> On Mon, 2 Apr 2001, Graham Stott wrote:
> > >
> > > Am I the only one seeing these?  They've persisted for quite a
> > > while now:-
> > >
> > > Bootstrap comparison failure!
> > > cxxmain.o differs
> > > fold-const.o differs
> > > real.o differs
> > > tree.o differs
> > > f/com.o differs
> > >
> > > Neil.
> >
> > I believe this is caused this change by Bernds
> >
> >         * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
> >
> > I reverted this change in my local tree and the bootstrap got passed the
> > comparison stage. I was hoping to look at what's going wrong over the weekend
> > but wasn't able to do so.
> 
> I wasn't able to reproduce the problem.  How did you configure your tree?
> 
> Bernd

./configure --enable-checking=tree,misc,rtl

Graham