You wrote:
> On 8/29/2011 4:12 AM, Rolf Eike Beer wrote:

> > Confirmed, it is a regression in gcc 4.5. If I build using 4.4.6
> > everything works fine. I'll file a bug report tonight.
> 
> Interesting, there's not much difference in the PA backend for these two
> versions.
> 
> Add me (danglin at gcc.gnu.org) to the CC list on the GCC bug report and
> I'll try to
> duplicate the problem.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50230

Eike