bug#61333: 29.0.60; edit-kbd-macro failure

[Eli Zaretskii]

> From: Przemysław Alexander Kamiński
>  <przemyslaw@kaminski.se>
> Date: Mon, 6 Feb 2023 21:28:12 +0100
> 
> Macro edition failing. 
> 
> Steps to reproduce:
> 
> 1. Start 'emacs -Q'
> 2. Record simple macro "C-x ( C-p C-n C-x )"
> 3. Bind macro to a key (tested with <f12>, but reproducible with others)
>    "C-x C-k b <f12>"
> 4. Edit bound macro "C-x C-k e <f12>"
> 
> Edition fails with following msg:
> oclosure--get: Assertion failed: (eq 'closure (car-safe oclosure))

Stefan, any ideas?