bug#53068: 28.0.90; Emacs 28 regression: Can't edebug inline functions

[Philipp Stephani]

Am Fr., 7. Jan. 2022 um 09:44 Uhr schrieb Philipp Stephani
<p.stephani2@gmail.com>:
>
>
> Visit the file lisp/json.el, navigate to the `json-advance' inline
> function, and hit C-u C-M-x.  This fails with a backtrace:

git bisect says the following commit is the culprit:

commit d1be48fdedabb451d5c6cf315fd5f09a632e771f
Author: Stefan Monnier <monnier@iro.umontreal.ca>
Date:   Fri Feb 12 19:28:25 2021 -0500

    Edebug: Overload `edebug-form-spec` even less