Support Sun as visibility syntax

[Janis Johnson]

On Mon, 2010-03-22 at 21:38 +0100, Rainer Orth wrote:
> Janis Johnson <janis.marie.johnson@gmail.com> writes:
> 
> >> Ok for mainline?  I only need approval for the testsuite changes (which
> >> are almost obvious).
> >
> > Don't change the expected expressions for all targets.  Instead, use the
> > new one only for solaris and the existing one for non-Solaris.
> 
> Updated patch below.  Ok now?
> 
> 	Rainer

The testsuite change is OK.

Janis

> 	gcc/testsuite:
> 	* g++.dg/ext/visibility/pragma-override1.C: Allow for .hidden in
> 	assembler output on *-*-solaris2*.
> 	* g++.dg/ext/visibility/pragma-override2.C: Likewise.
> 
> d