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#15326: 24.3; Incorrect "variable not left unused" in destructuring cl-loop Date: Tue, 10 Sep 2013 17:05:52 -0400 Message-ID: References: <87a9jkttya.fsf@wellocc1-ld1.jhuapl.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1378847190 28373 80.91.229.3 (10 Sep 2013 21:06:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 10 Sep 2013 21:06:30 +0000 (UTC) Cc: 15326@debbugs.gnu.org To: Christopher Wellons Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Sep 10 23:06:32 2013 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 1VJV8k-0000Jn-3m for geb-bug-gnu-emacs@m.gmane.org; Tue, 10 Sep 2013 23:06:26 +0200 Original-Received: from localhost ([::1]:59983 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VJV8j-00051q-Lg for geb-bug-gnu-emacs@m.gmane.org; Tue, 10 Sep 2013 17:06:25 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55558) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VJV8a-0004wN-0l for bug-gnu-emacs@gnu.org; Tue, 10 Sep 2013 17:06:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VJV8M-0004Kr-UM for bug-gnu-emacs@gnu.org; Tue, 10 Sep 2013 17:06:15 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:45115) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VJV8M-0004Km-R6 for bug-gnu-emacs@gnu.org; Tue, 10 Sep 2013 17:06:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VJV8M-0006SJ-If for bug-gnu-emacs@gnu.org; Tue, 10 Sep 2013 17:06:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 10 Sep 2013 21:06:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15326 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15326-submit@debbugs.gnu.org id=B15326.137884715624789 (code B ref 15326); Tue, 10 Sep 2013 21:06:02 +0000 Original-Received: (at 15326) by debbugs.gnu.org; 10 Sep 2013 21:05:56 +0000 Original-Received: from localhost ([127.0.0.1]:53406 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJV8F-0006Rk-Du for submit@debbugs.gnu.org; Tue, 10 Sep 2013 17:05:56 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:46230) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VJV8D-0006Rc-JB for 15326@debbugs.gnu.org; Tue, 10 Sep 2013 17:05:54 -0400 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r8AL5q90026708; Tue, 10 Sep 2013 17:05:52 -0400 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 25499B40D6; Tue, 10 Sep 2013 17:05:52 -0400 (EDT) In-Reply-To: <87a9jkttya.fsf@wellocc1-ld1.jhuapl.edu> (Christopher Wellons's message of "Tue, 10 Sep 2013 14:25:33 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4697=0 X-NAI-Spam-Version: 2.3.0.9362 : core <4697> : inlines <79> : streams <1035108> : uri <1533003> 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:78196 Archived-At: > In the macro expansion, the _ is declared in a `let', then later set > with `setq', "using" it. A `setq' does not *use* a variable. It just sets it, affecting later uses. If there's no later uses, the setq is just a no-op. Fixing this will require someone to dig into the `cl-loop' macro. Stefan "who suspects it's not really fixed in destructuring-bind either"