From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#61730: 30.0.50; Compiler warnings for delq and delete Date: Sat, 25 Feb 2023 17:48:48 +0200 Message-ID: <83y1olkaov.fsf@gnu.org> References: <87ilfsisje.fsf@web.de> <670D8E4A-333D-4E2D-97CC-86728965989D@gmail.com> <83a613np4p.fsf@gnu.org> <87fsavf688.fsf@web.de> <83k006kvv6.fsf@gnu.org> <87k005gbys.fsf@web.de> <835ybplvvf.fsf@gnu.org> <87mt51n5mz.fsf@web.de> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36208"; mail-complaints-to="usenet@ciao.gmane.io" Cc: mattias.engdegard@gmail.com, 61730@debbugs.gnu.org, rms@gnu.org, monnier@iro.umontreal.ca To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 25 16:50:14 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 1pVwoQ-0009FE-Fd for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 25 Feb 2023 16:50:14 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pVwoG-0000RB-3E; Sat, 25 Feb 2023 10:50:04 -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 1pVwoE-0000QK-T4 for bug-gnu-emacs@gnu.org; Sat, 25 Feb 2023 10:50:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pVwoE-00019r-Jr for bug-gnu-emacs@gnu.org; Sat, 25 Feb 2023 10:50:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pVwoE-0002xK-Gh for bug-gnu-emacs@gnu.org; Sat, 25 Feb 2023 10:50:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 25 Feb 2023 15:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 61730 X-GNU-PR-Package: emacs Original-Received: via spool by 61730-submit@debbugs.gnu.org id=B61730.167734014811290 (code B ref 61730); Sat, 25 Feb 2023 15:50:02 +0000 Original-Received: (at 61730) by debbugs.gnu.org; 25 Feb 2023 15:49:08 +0000 Original-Received: from localhost ([127.0.0.1]:41320 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pVwnM-0002w2-2r for submit@debbugs.gnu.org; Sat, 25 Feb 2023 10:49:08 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:53722) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pVwnK-0002vX-MK for 61730@debbugs.gnu.org; Sat, 25 Feb 2023 10:49:07 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pVwnE-00012Z-6G; Sat, 25 Feb 2023 10:49:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=FyGBlV8IKKCD3Q9f4OgjYoKq2ynx5cvXoGc4amR06fI=; b=ntconfytPvoV dOhqRSeiD5TGUPqwS8mfdF9lqsvSNSD1qBxzDie1ylug0rbdNnk6Q7ZT0UveAlTWtD9+kKjCEvVbg dyEaR4HiB5qAM5DwIngfmqGDkDGQ1cWLvewPZ/8y7SJBpWmnLSuPuD3z52LBi9ln8/8Bpv961kxgE Q+2S0CDYaZFiz7LDaoLtn/P8X5KZds6dX5ssEwjVn6Eavwy280Xmi0mkcedcEFjXo9aYiuB+S78oJ sdWvcldTfdi+OsjP4hPJ2AdgtdSwU+rETNwDFIa5BYAyHbY6lIVVWNzRavl0e5KRtR9YD10mmB4cw feRy6AyZnbgmTqwYB3DkKQ==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pVwn0-0001SI-AD; Sat, 25 Feb 2023 10:48:53 -0500 In-Reply-To: <87mt51n5mz.fsf@web.de> (message from Michael Heerdegen on Sat, 25 Feb 2023 16:09:40 +0100) 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:256729 Archived-At: > From: Michael Heerdegen > Cc: rms@gnu.org, mattias.engdegard@gmail.com, 61730@debbugs.gnu.org, > monnier@iro.umontreal.ca > Date: Sat, 25 Feb 2023 16:09:40 +0100 > > Eli Zaretskii writes: > > > > What's your opinion about the case of non-destructive functions - is it > > > ok if we would always warn about thrown away return values of calls of > > > them? > > > > What are "non-destructive functions" in this context? > > I mean all functions with either no side effects or such which may alter > original list structures but in unpredictable ways so that only the > return value is ever useful. Thanks. I guess this should be okay, but a test run over our sources would be prudent before the final decision.