Re: Integer overflow in operator new. Solved?

["J.C. Pizarro" <jcpiza at gmail dot com>]

2007/4/9, Andrew Pinski <pinskia@gmail.com>:
> On 4/9/07, J.C. Pizarro <jcpiza@gmail.com> wrote:
> > 3. To modify the C-preprocessor and/or C/C++ compiler for:
> >        #if argument X is a constant then
> >               use this code specific of constant X
> >        #else if argument Y is not a constant then
> >               use this code specific of non-constant Y
> >        #else
> >               use this general code
> >        #endif
>
> Well lets say this, we already support this to some extend, by using
> __builtin_constant_p and then just inlining.  Also there exists
> already an optimization pass which does IPA constant prop.
>
> Guess you are not well into GCC development after all.
>
> -- Pinski

Of course, i'm a novice because i like and i don't like the
GCC development's model.

How will it be the code using  __builtin_constant_p that i don't know?