gnu/118188: GCC bug with abs()

[David Schultz]

On Fri, Nov 23, 2007, remko at FreeBSD.ORG wrote:
> Synopsis: GCC bug with abs()
> 
> Responsible-Changed-From-To: freebsd-bugs->kib
> Responsible-Changed-By: remko
> Responsible-Changed-When: Fri Nov 23 12:37:09 UTC 2007
> Responsible-Changed-Why: 
> HEy , this might be something for you?
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=118188

This is a pretty glaring code gen bug. It affects (at least) HEAD
as of 12/1. The fix is referenced in:

   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34130

At a glance, it looks specific to gcc 4.0+, so STABLE is
presumably unaffected.