GCC 3.3 Prelease broken on s390

[Ulrich Weigand]

Richard Henderson wrote:

> If I understand correctly, then this would be fixed by
> 
>   + #ifndef __s390__
>       _Unwind_SetGRPtr (context, __builtin_dwarf_sp_column (), NULL);
>   + #endif
> 
> correct?

Basically yes, except that then the initial cfa is no longer
found when called from uw_init_context_1.  This is fixed by the 
second hunk of the patch I just committed ...

> > Would you suggest to check the above patch in anyway to make 3.3
> > more similar to head (apparently the patch is already in 3.2 ...),
> > and because it fixes at least C++?
> 
> Well, not to make it more similar to head, but because it gets
> more cases demonstrably correct.  On s390 and elsewhere.

We should certainly fix it properly on the head and for 3.3.1.
Whether this is something for 3.3 I have no strong opinion on
-- that's Mark's call ...

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  weigand@informatik.uni-erlangen.de