getting rid of ggc_push_context

[Jan Hubicka]

> Richard Henderson <rth@redhat.com> writes:
> 
> > On Fri, Oct 01, 2004 at 08:28:02AM -0700, Zack Weinberg wrote:
> >> I seriously wonder whether the ggc_collect call inside CSE is still
> >> necessary.
> >
> > Until we get rid of cse-follow-jumps, I don't see that much has
> > changed in how CSE operates.
> 
> I don't know anything that changed either, but Dan did measurements
> and found it didn't blow up memory anymore.  Unfortunately, he's not
> around just now, but hopefully he can give details when he gets back.

cse was never blowing memory in the common testcases (actually it never
shown top int he memory consumption statistics).  I guess this call has
been added to care some patological case....

Honza
> 
> zw