bug#57878: Minimal reproducible setup

[Konrad Hinsen]

Konrad Hinsen <konrad.hinsen@fastmail.net> writes:

> Here is a minimal containerized example that
> creates a process avalanche:
>
>     guix shell -C emacs emacs-ido-completing-read+ \
>        -- emacs --batch --eval="(print load-path)"

I went through all my emacs packages. The only one that starts
the process avalanche is emacs-ido-completing-read+.

Cheers
  Konrad.