[dmd-beta] For those who want to try out new features

[Walter Bright]

It's no trouble, I'm just glad to get it fixed. It's in the test suite now.

Rainer Schuetze wrote:
> To be honest, I thought the test cases were almost the same, just one 
> class removed. I noticed the difference "class" <-> "interface" just a 
> minute ago - this must have crept in earlier when trying the patch 
> against different variations.
>
> sorry for the trouble and thanks for your patience,
> Rainer
>