pointer checking run time code

[Mike Stump]

On Saturday, September 17, 2005, at 10:13  AM, Mike Stump wrote:
> On Saturday, September 17, 2005, at 06:41  AM, shreyas krishnan wrote:
>>      I am trying to insert code which before pointer dereferences
>> would check if the pointer dereference is valid.
>
> Just like mudflap?  If so, use those options from the manual.

And if slightly different, see the mudflap code to get ideas where 
others found it useful to do things like this...