GCC 3.3 Prelease broken on s390

[Mark Mitchell]

> > What do you think?
> > 
> >         * unwind-dw2.c (uw_update_context_1): Only set cfa as sp if
> >         previous frame didn't save sp.  Clear sp for next frame.
> >         (uw_install_context_1): Honor saved sp from frame.
> 
> If this works, great.

Ulrich --

Take that as approval from Richard; if it fixes your problem, please
check it in and close the PR.

Thanks,

-- 
Mark Mitchell <mark@codesourcery.com>
CodeSourcery, LLC