From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#67568: Emacs master: Bug in byte compiler when there's an unused parameter. Date: Fri, 1 Dec 2023 14:16:53 +0000 Message-ID: References: <1c2d9219-093c-0726-13ce-2c952f6e33ba@gutov.dev> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12872"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Stefan Monnier , 67568@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Dec 01 15:18:09 2023 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 1r94LJ-0003EJ-F0 for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 01 Dec 2023 15:18:09 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r94L4-00070S-N6; Fri, 01 Dec 2023 09:17:54 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r94L3-00070J-Hs for bug-gnu-emacs@gnu.org; Fri, 01 Dec 2023 09:17:53 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1r94L3-000555-A7 for bug-gnu-emacs@gnu.org; Fri, 01 Dec 2023 09:17:53 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1r94LB-0004gD-NA for bug-gnu-emacs@gnu.org; Fri, 01 Dec 2023 09:18:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 01 Dec 2023 14:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 67568 X-GNU-PR-Package: emacs Original-Received: via spool by 67568-submit@debbugs.gnu.org id=B67568.170144023417929 (code B ref 67568); Fri, 01 Dec 2023 14:18:01 +0000 Original-Received: (at 67568) by debbugs.gnu.org; 1 Dec 2023 14:17:14 +0000 Original-Received: from localhost ([127.0.0.1]:55354 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1r94KQ-0004f7-Ds for submit@debbugs.gnu.org; Fri, 01 Dec 2023 09:17:14 -0500 Original-Received: from mail.muc.de ([193.149.48.3]:49769) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1r94KL-0004eq-T2 for 67568@debbugs.gnu.org; Fri, 01 Dec 2023 09:17:12 -0500 Original-Received: (qmail 41978 invoked by uid 3782); 1 Dec 2023 15:16:54 +0100 Original-Received: from acm.muc.de (p4fe15fc1.dip0.t-ipconnect.de [79.225.95.193]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Fri, 01 Dec 2023 15:16:54 +0100 Original-Received: (qmail 8832 invoked by uid 1000); 1 Dec 2023 14:16:53 -0000 Content-Disposition: inline In-Reply-To: <1c2d9219-093c-0726-13ce-2c952f6e33ba@gutov.dev> X-Submission-Agent: TMDA/1.3.x (Ph3nix) X-Primary-Address: acm@muc.de 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:275320 Archived-At: Hello, Dmitry. On Fri, Dec 01, 2023 at 15:06:23 +0200, Dmitry Gutov wrote: > On 01/12/2023 14:49, Alan Mackenzie wrote: > > On a recent Emacs master: > > (i) emacs -Q > > (ii) In*scratch* enter the following: > > (byte-compile (lambda (x) "doc" "foo")) > > . > > (iii) Enter C-u C-x C-e to evaluate the form. The result looks like: > > #[257 "\300\207" [nil] 2 "doc > > (fn X)"] > > . This is incorrect. The only form in the constants vector is nil. > > It should be "foo". > > (iv) Note that this only happens with the unused parameter x. Without > > it, the form compiles correctly. > Might be a bug in the interpreter too? > (funcall (lambda (x) "doc" "foo") 2) > ;; => nil Outch! Thanks for spotting that, it might make the bug easier to solve. -- Alan Mackenzie (Nuremberg, Germany).