On Sat, Dec 14, 2019 at 04:09:22PM -0800, Eliot Miranda wrote:
>
>
> > On Dec 14, 2019, at 5:43 AM, Thiede, Christoph <Christoph.Thiede@student.hpi.uni-potsdam.de> wrote:
> >
> > ???
> > By request, screenshots from a clean image ...
> >
> >
> > <pastedImage.png>
> >
> > ??? Press over
> >
> > Press cmd-dot ???
> >
> > <pastedImage.png>
> >
> >
> >
> >
> > The screenshots from 5.1 were made in a clean 5.1 image.
> >
>
> Hi Christoph,
>
>    I???ve tried this in two trunk 64-bit images, one with the V3PlusClosures bytecode set and one with the SistaV1 bytecode set and no problem occurs in either case.  If this only happens in a clean 5.1 image then I suspect it has already been fixed.
>


I can reproduce the problem in my trunk image. Chrostoph's example
is to debug this:

  Generator on: [:stream | stream nextPut: #foo]

The failure happens when I step over the #nextPut:

If I step into the #nextPut: then all is well.