[rfc] Work around ARM RV compiler unwind info

[Daniel Jacobowitz]

On Tue, Dec 19, 2006 at 12:34:27PM -0800, Jim Blandy wrote:
> It's hard for me to guess how much benefit these will provide to
> users, but it seems like the burden this patch places on GDB
> developers is pretty minor; given the task, I think it's pretty clean.
> Since we want to grow GDB's user base, I'm in favor of this patch.

And no other comments, so that's good enough for me; I retested and
checked it in.

-- 
Daniel Jacobowitz
CodeSourcery