[Jaunty] SRU-RFC Backport two compile flag changes from upstream

[Tim Gardner]

Stefan Bader wrote:
> [no tracking bug currently]
> 
> SRU Justification:
> 
> Impact: There have been two changes to the compiler flags which where
> also pulled down to the stable trees which I would like to pull back for
> Jaunty as well. The first one replaces '-fwrapv' with
> '-fno-strict-overflow' which is supposed to produce less intrusive code
> (while Jaunty does not suffer from the buggy gcc 4.1.x as it uses 4.3.3).
> The second option prevents NULL pointer checks from being optimized away.
> 
> Fix: Taking the following two patches from upstream/stable.
> 

NACK - I don't think this qualifies as fixing a known problem. I'm very
reluctant to change compiler flags for a released kernel, no matter how
benign it may seem.

rtg
-- 
Tim Gardner tim.gardner at canonical.com