[rfc, frame] Always check for unsaved PC

[Daniel Jacobowitz]

On Thu, Jan 11, 2007 at 06:15:45PM +0100, Andreas Schwab wrote:
> Daniel Jacobowitz <drow@false.org> writes:
> 
> > On Thu, Jan 11, 2007 at 05:34:22PM +0100, Andreas Schwab wrote:
> >> This is broken.  You can't use PC_REGNUM unconditionally without checking
> >> whether that register actually exists.  The ia64 does not have such a
> >> register.
> >
> > I assume it causes trouble there.  Sorry.  Does this help (untested)?
> 
> Yes, thanks, this fixes about 200 regressions.

Checked in then.  Thank you for the report - and for testing ia64, in
general.

-- 
Daniel Jacobowitz
CodeSourcery