How do I call super or object.opAssign for classes?

[Steven Schveighoffer]

On Sat, 23 Jul 2011 12:23:07 -0400, Andrej Mitrovic  
<andrej.mitrovich at gmail.com> wrote:

> class Foo
> {
>     void opAssign(int bar)
>     {
>     }
> }
>
> void main()
> {
>     auto foo = new Foo;
>     foo = null;
> }
>
> test.d(17): Error: function test.Foo.opAssign (int bar) is not
> callable using argument types (void*)
> test.d(17): Error: cannot implicitly convert expression (null) of type
> void* to int
>
> I just wanted to implement one opAssign method for assigning a
> specific type, but now I've ran into the issue that assigning class
> objects to null doesn't work anymore.. :/

That's a bug, please file.

-Steve