[PATCH,TESTSUITE]Adjust test to support AVR target address zero

[Janis Johnson]

On Sat, 2009-12-19 at 16:03 -0500, Andrew Hutchinson wrote:
> This patch changes test for AVR target only. AVR target is required to 
> support hardware address value of zero and uses target override of
>  flag_delete_null_pointer_checks. Consequently  int sc = (&sc >0) is 
> not  constant.
> 
> Ok for 4.5 Head?
> 
> 2009-12-19  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
> 
>    gcc.dg/pr36901.h: AVR must support address zero.

OK.

Janis