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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Yuri Khan <yuri.v.khan@gmail.com>
Cc: 27545@debbugs.gnu.org, 25558@debbugs.gnu.org
Subject: bug#25558: Spurious warnings with variables mentioned only pcase guard patterns
Date: Fri, 03 Sep 2021 10:49:09 +0200	[thread overview]
Message-ID: <871r6611tm.fsf@gnus.org> (raw)
In-Reply-To: <CAP_d_8VmbLtZus5rwj5pATk3V1PU9X5thUMb+VQdqKZYFsA9zA@mail.gmail.com> (Yuri Khan's message of "Sat, 1 Jul 2017 17:01:17 +0700")

Yuri Khan <yuri.v.khan@gmail.com> writes:

> C-x C-f test.el RET
>
> ;; -*- lexical-binding: t -*-
>
> (defun foo (x)
>   (pcase x
>     ((and `(,bar ,baz)
>           (guard (eq bar 'quux)))
>      baz)))
>
> C-x C-s
> M-x byte-compile RET test.el RET
>
> Observed output:
>
> Compiling file /home/yuri/test.el at Sat Jul  1 16:27:36 2017
> test.el:3:1:Warning: Unused lexical variable ‘bar’

I can reproduce this in Emacs 26.1, but not in Emacs 28, so I'm guessing
that this is fixed, and I'm closing this bug report.  If there's still
problems here, please respond to the debbugs address and we'll reopen.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2021-09-03  8:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-01 10:01 bug#27545: 25.1; Unused lexical variable when byte-compiling pcase with guards Yuri Khan
2021-09-03  8:49 ` Lars Ingebrigtsen [this message]
  -- strict thread matches above, loose matches on Subject: below --
2017-01-28  0:14 bug#25558: Spurious warnings with variables mentioned only pcase guard patterns Clément Pit--Claudel
2017-01-28  0:24 ` npostavs

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