GNU bug report logs - #67568
Emacs master: Bug in byte compiler when there's an unused parameter.

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Package: emacs;

Reported by: Alan Mackenzie <acm <at> muc.de>

Date: Fri, 1 Dec 2023 12:51:01 UTC

Severity: normal

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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Message #31 received at 67568-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: dmitry <at> gutov.dev, acm <at> muc.de, 67568-done <at> debbugs.gnu.org
Subject: Re: bug#67568: Emacs master: Bug in byte compiler when there's an
 unused parameter.
Date: Sun, 03 Dec 2023 14:24:44 -0500

>> I'm wondering whether it should go to `emacs-29` or to `master`.
>> I'm leaning toward `emacs-29` because it's rather embarrassing (and
>> perplexing for the user) and the patch is simple.
>> Eli?  Stefan?
> No objections from me.

It turns out the bug is not present in `emacs-29`, it was introduced on
master by:

    commit f616edb4ccce5b9d60e3ff42806bd2131989cd1e
    Author: Mattias Engdegård <mattiase <at> acm.org>
    Date:   Mon Sep 25 14:40:11 2023 +0200

    macroexp-parse-body: correct parsing of empty body (bug#66136)
    
    * lisp/emacs-lisp/macroexp.el (macroexp-parse-body):
    Return an empty body even when there are declarations present.
    Previously, the last declaration was considered part of the body,
    which is only correct if the input consists of a single string.
    
    Reported by Jens Schmidt.

So I pushed a better fix, on master.


        Stefan
This bug report was last modified 1 year and 227 days ago.

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