From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#20123: 24.4.91; Unwarranted "Unused lexical argument" for condition-case Date: Mon, 16 Mar 2015 15:09:13 -0400 Message-ID: References: <87zj7czsv4.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1426533022 15040 80.91.229.3 (16 Mar 2015 19:10:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 16 Mar 2015 19:10:22 +0000 (UTC) Cc: 20123@debbugs.gnu.org To: Oleh Krehel Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 16 20:10:11 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YXaOv-0007QX-JL for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 Mar 2015 20:10:09 +0100 Original-Received: from localhost ([::1]:51229 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXaOu-0005Ud-Tv for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 Mar 2015 15:10:08 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60581) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXaOr-0005TQ-G6 for bug-gnu-emacs@gnu.org; Mon, 16 Mar 2015 15:10:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YXaOo-0000QU-4R for bug-gnu-emacs@gnu.org; Mon, 16 Mar 2015 15:10:05 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:50324) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXaOo-0000QQ-20 for bug-gnu-emacs@gnu.org; Mon, 16 Mar 2015 15:10:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YXaOn-0006de-Mt for bug-gnu-emacs@gnu.org; Mon, 16 Mar 2015 15:10:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 16 Mar 2015 19:10:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20123 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20123-submit@debbugs.gnu.org id=B20123.142653295625459 (code B ref 20123); Mon, 16 Mar 2015 19:10:01 +0000 Original-Received: (at 20123) by debbugs.gnu.org; 16 Mar 2015 19:09:16 +0000 Original-Received: from localhost ([127.0.0.1]:48892 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YXaO4-0006cZ-3x for submit@debbugs.gnu.org; Mon, 16 Mar 2015 15:09:16 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:34065) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YXaO2-0006cP-MF for 20123@debbugs.gnu.org; Mon, 16 Mar 2015 15:09:15 -0400 Original-Received: from ceviche.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id t2GJ9DoC005235; Mon, 16 Mar 2015 15:09:14 -0400 Original-Received: by ceviche.home (Postfix, from userid 20848) id D614F6615C; Mon, 16 Mar 2015 15:09:13 -0400 (EDT) In-Reply-To: <87zj7czsv4.fsf@gmail.com> (Oleh Krehel's message of "Mon, 16 Mar 2015 19:42:39 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV5247=0 X-NAI-Spam-Version: 2.3.0.9393 : core <5247> : inlines <2424> : streams <1406532> : uri <1882047> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:100553 Archived-At: > Hello, > Here's an example code: > (define-error 'unsupported-mode-error "Unsupported mode") > (condition-case e > (if (eq 'a 'a) > (message "test") > (signal 'unsupported-mode-error major-mode)) > (unsupported-mode-error > (signal (car e) (cdr e))) > (error > (message "error"))) > As you can see, I'm trying to re-throw some of the errors, so the variable `e' is used > inside `condition-case'. But I still get an "Unused lexical argument" warning. Yes, IIRC this bug was introduced in 24.1. It should be partially fixed in 24.4 if you set byte-compile--use-old-handlers to nil. It should be fixed in 25.1 where this var defaults to nil. Can you confirm? Stefan