Please describe the problem:
When converting between integers and pointers (like when storing integers in an SList), the following error is reported on 64 bit systems:
error: `int' is incompatible with `pointer'

This conversion should be possible, since ints easily fit within pointers on 64 bit systems.

Steps to reproduce:
1. Try to compile code involving int/pointer conversion on a 64 bit system.
2. 
3. 


Actual results:
Emits the above error

Expected results:
Should compile..

Does this happen every time?
Yes

Other information: