bug#47161: 28.0.50; [feature/native-comp] Failure to native-compile bytecomp.el etc.

[Andrea Corallo]

Andrea Corallo <akrl@sdf.org> writes:

> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> From: Stefan Monnier <monnier@iro.umontreal.ca>
>>> Cc: Andrea Corallo <akrl@sdf.org>,  47161@debbugs.gnu.org
>>> Date: Tue, 16 Mar 2021 21:27:11 -0400
>>> 
>>> > I also suddenly see another byte-compilation message:
>>> >
>>> >     ELC      emacs-lisp/byte-opt.elc
>>> >   Compiler-macro error for cl--block-wrapper: (error "(setf seq-elt) is 
>>> > already defined as something else than a generic function")
>>> >   Eager macro-expansion failure: (error "(setf seq-elt) is already 
>>> > defined as something else than a generic function")
>>> >
>>> > What causes this?
>>> 
>>> Can you try and reproduce this while `macroexp--debug-eager` is set to
>>> a non-nil value so we hopefully get a backtrace?
>>
>> Sorry, it stopped happening for me, so I cannot reproduce this
>> anymore.
>
> Same here, disappeared.  That's suspicious

Did somebody experienced this again?

Thanks

  Andrea