From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.bugs Subject: bug#63103: 30.0.50; nconc compiler optimization breaks user packages Date: Thu, 27 Apr 2023 14:28:58 +0200 Message-ID: References: <877cty45rx.fsf@gmail.com> <871qk5516v.fsf@posteo.net> <9DCB2C69-7C1E-48A0-8AE2-BD8B1C0E3A80@acm.org> <679f4102-4e3f-656f-18d9-4a3cc68ce595@daniel-mendler.de> Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.15\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10873"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Philip Kaludercic , Stefan Monnier , 63103-done@debbugs.gnu.org To: Daniel Mendler Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 27 14:30:17 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 1ps0lN-0002fh-3u for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 27 Apr 2023 12:29:00 +0000 In-Reply-To: <679f4102-4e3f-656f-18d9-4a3cc68ce595@daniel-mendler.de> X-Mailer: Apple Mail (2.3654.120.0.1.15) X-VADE-SPAMSTATE: clean X-VADE-SPAMSCORE: -100 X-VADE-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvhedrfeduiedghedvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecujffquffvqffrkfetpdfqfgfvpdfgpfggqdevhedtnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpegtggfuhfgjffevgffkfhfvofesthhqmhdthhdtvdenucfhrhhomhepofgrthhtihgrshcugfhnghguvghgnohrugcuoehmrghtthhirghsvgesrggtmhdrohhrgheqnecuggftrfgrthhtvghrnhepveekffdujefhkeehvdfgffeikefghfefvdekueffleegfeekueelhfejieefkefgnecukfhppedukeekrdduhedtrdduieehrddvfeehnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepudekkedrudehtddrudeihedrvdefhedphhgvlhhopehsmhhtphgtlhhivghnthdrrghpphhlvgdpmhgrihhlfhhrohhmpehmrghtthhirghsvgesrggtmhdrohhrghdpnhgspghrtghpthhtohepgedprhgtphhtthhopehmrghilhesuggrnhhivghlqdhmvghnughlvghrrdguvgdprhgtphhtthhopehphhhilhhiphhksehpohhsthgvohdrnh gvthdprhgtphhtthhopeeifedutdefqdguohhnvgesuggvsggsuhhgshdrghhnuhdrohhrghdprhgtphhtthhopehmohhnnhhi X-Origin-Country: SE 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:260719 Archived-At: 27 apr. 2023 kl. 12.42 skrev Daniel Mendler : > I think it is > kind of nice that `nconc' can be used as a tool to turn a proper list > into an improper list and vice versa. It's a bit obscure, though -- (setcdr (last X) nil) is a lot clearer than (nconc X nil) and when the latter is preferred for performance, a comment might be = polite to the reader. Anyway, a fix has been pushed to master, and the manual entry for = `nconc` got an extra example.