On Wed, Apr 24 2024, Gerd Möllmann wrote:

> Makes sense to me, but I must say that I have 0 experience with that
> using MPS. It might require some experimentation how to about
> implementing such weak references, but that could be fun.

I implemented such weak references in the patch below.  Do I use the
IGC_OBJ_WEAK tag roughly how you intended it?

Helmut