[Issue 1868] Interface pointer casts

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1868


bugzilla at digitalmars.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




------- Comment #1 from bugzilla at digitalmars.com  2008-03-01 02:53 -------
All pointer casts do is 'paint' a new type over the old one - no change in the
bits ever occurs. To get the correct change in the bits for up/down inheritance
casting, you have to cast the actual interface or class (which are reference
types).

This is working as designed. It's not a bug.

You'll see exactly the same behavior in C++ when you do things like:
    I* i;
    C** pc = (C**)&i;


--