NotNull pointers

[Brad Roberts]

On Tue, 30 Aug 2011, Walter Bright wrote:

> On 8/30/2011 5:08 PM, Bernard Helyer wrote:
> > On Tue, 30 Aug 2011 16:19:00 -0700, Walter Bright wrote:
> > 
> > > Looking for corruption of the data.
> > 
> > Why doesn't it check for null, and pass if no invariant is defined?
> 
> Because the hardware does the null check for you, which is what a seg fault
> is.

The frequency with which this comes up and the lack of converts to that 
point of view ought to tell you something here. :)

Would you entertain a pull request with this fairly simple change?