Ned Konz wrote:

> 

> 
> This is because (I think) primitiveYield is not working in your VM.
> 
> If you go to the old version of #yield, does it work?
> 
And before anyone asks, the latest VMMaker has the relevant fix (thanks 
to Andreas spotting a particularly dumb mega-typo by yours truly) in and 
  there ought to be VMs built from that by now.

tim