4.0 patch: Stack limit checking for Blackfin

[Mark Mitchell]

Bernd Schmidt wrote:

> Since this change and a few others that may come up are confined to
> config/bfin, I personally don't see a problem - but if you disagree, let
> me know and I'll stop.  It's likely that we'll have to create a private
> branch off gcc-4.0 and gcc-4.1 eventually anyway.

Since the Blackfin port is not being very actively used, I'll leave this
to your discretion.

Thanks,

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
(916) 791-8304