Could we get a LP64 version identifier?

[Walter Bright]

Frits van Bommel wrote:
> [1]: Hey, x86 technically has 6-byte pointers if you count segments as 
> part of the pointer (which would be mostly useless on currently popular 
> operating systems though).

It does, but I know of no compiler that supports that (C, C++, or any 
other), and code that needs to deal with that tends to be assembler.