From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#46786: 28.0.50; pcase-let does not bind variables used inside macro Date: Sat, 27 Feb 2021 06:08:01 +0100 Message-ID: <874khyjdxq.fsf@gnus.org> References: <87blc74q5l.fsf@collares.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29763"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 46786@debbugs.gnu.org, Stefan Monnier To: Mauricio Collares Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 27 06:09:21 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lFrqy-0007bt-Nj for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lFrpi-0002DG-L3; Sat, 27 Feb 2021 06:08:05 +0100 X-Now-Playing: Tuxedomoon's _Live in London (1982)_: "Dark Companion" In-Reply-To: <87blc74q5l.fsf@collares.org> (Mauricio Collares's message of "Thu, 25 Feb 2021 21:40:54 -0300") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:200914 Archived-At: Mauricio Collares writes: > This testcase is a reduced version of a problem that happens in > the "matrix-client.el" package (available on alphapapa's GitHub): > > (require 'cl-lib) > (require 'pcase) > > (cl-macrolet > ((message-self () `(message self))) > (pcase-let ((`(,self ,self2) '("1" "2"))) > (message-self))) > > Behavior before commit a218c9861573b5ec4979ff2662f5c0343397e3ff > ("lisp/emacs-lisp/pcase.el: Don't bind unused vars in branches"): > outputs 1 to the minibuffer. > > Behavior after the commit: Symbol=E2=80=99s value as variable is void: se= lf I can reproduce the problem on the trunk here, too. I've added Stefan M to the CCs. --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no