Could we get a LP64 version identifier?

[Frits van Bommel]

Jacob Carlborg wrote:
> Could we get a LP64 version identifier? I know that you can use this code:
> 
> "static if ((void*).sizeof > int.sizeof)"

Shouldn't that be "static if ((void*).sizeof == long.sizeof)" or just 
"static if ((void*).sizeof == 8)"?
(Note that in D long.sizeof is guaranteed to be 8)

> to do the same but that's not particular clear that the programmer wants 
> to check for LP64. If so, I hope we could get it in D1 also.