bug#67141: 30.0.50; Missing element in the backtrace

[Eli Zaretskii]

> Date: Sun, 12 Nov 2023 17:29:27 -0500
> From:  Stefan Monnier via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Package: Emacs
> Version: 30.0.50
> 
> 
>     emacs -Q
>     (this is an unquoted list)
>     C-j
> 
> Gives me:
> 
>     Debugger entered--Lisp error: (void-function this)
>       (this is an unquoted list)
>       (progn (this is an unquoted list))
>       elisp--eval-last-sexp(t)
>       eval-last-sexp(t)
>       eval-print-last-sexp(nil)
>       funcall-interactively(eval-print-last-sexp nil)
>       command-execute(eval-print-last-sexp)
> 
> But `elisp--eval-last-sexp` doesn't directly run that `progn`.
> Instead it calls `eval` to do so.  Where did `eval` go?
> 
> I see this both in Debian's Emacs-28,2 as well as on `master`.
> In both cases, this is using the native compiler.
> I have a local Emacs with various patches but without using the native
> compiler and the problem doesn't appear there.
> So my crystal ball pointed their pointy finger at the native code compiler.

Adding Andrea.