bug#57309: 29.0.50; Build error "trying to dump non fixed-up eln file"

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Gerd Möllmann <gerd.moellmann@gmail.com>,
>   57309@debbugs.gnu.org,
>   akrl@sdf.org
> Date: Sat, 20 Aug 2022 15:29:06 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I'd bet it regenerated the *.eln files.
> 
> No, doesn't look like it:
> 
> larsi@joga:~/src/emacs/nativecomp$ ls -lt native-lisp/29.0.50-107b8711/ | head
> total 2020
> -rwxrwxr-x 1 larsi larsi  18216 Aug 20 15:05 
> comp-test-funcs-dyn-c1337da0-37b66b75.eln
> -rwxrwxr-x 1 larsi larsi  91240 Aug 20 15:05 
> comp-test-funcs-9c4ce35e-f58ebfa6.eln
> -rwxrwxr-x 1 larsi larsi  16160 Aug 20 15:05 
> subr--trampoline-782d64656c6574652d77696e646f772d70726f7065727479_x_delete_window_property_0.eln
> -rwxrwxr-x 1 larsi larsi  16160 Aug 20 15:05 
> subr--trampoline-782d6368616e67652d77696e646f772d70726f7065727479_x_change_window_property_0.eln

The preloaded files, such as window-NNN.eln, would be in
native-lisp/29.0.50-107b8711/preloaded/.  And how do you know
29.0.50-107b8711 is the correct subdirectory of native-lisp/ ?  Is it
the latest (time-stamp-wise)?