From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: obscure compilation error with cl-defstruct &aux boa constructor Date: Sun, 17 Apr 2022 11:16:30 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="15006"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Madhu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Apr 17 17:17:34 2022 Return-path: Envelope-to: ged-emacs-devel@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 1ng6eb-0003jl-JP for ged-emacs-devel@m.gmane-mx.org; Sun, 17 Apr 2022 17:17:33 +0200 Original-Received: from localhost ([::1]:45928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ng6ea-0007v9-9e for ged-emacs-devel@m.gmane-mx.org; Sun, 17 Apr 2022 11:17:32 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49198) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ng6dn-0007Fk-O1 for emacs-devel@gnu.org; Sun, 17 Apr 2022 11:16:43 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:50802) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ng6dl-0007e5-4G for emacs-devel@gnu.org; Sun, 17 Apr 2022 11:16:42 -0400 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 283B2440C65; Sun, 17 Apr 2022 11:16:39 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id 015BF440C3B; Sun, 17 Apr 2022 11:16:38 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1650208598; bh=Rsnm6dLG+NtUOoeaHeOOtr0J2S2nFdCbwThQA1+5J8w=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=ILCAIwmCBBA3QBidsgfLKGhlB+zcmnsisWrGP1jIJHwVUoCKHc60uv05vrEI91Bpc DzRvmXzVpo0UnqabFxChjBHdkAMEKbSZrDuYSZ8SFnX5+L2TT/5Rg9Oiz+ujRO/Nki HLd3qfPi+gJW51fJEzFEji5+7eaa7TWAp9iV1wQFHp6tspD+MRHKGLjD7NDby5Scui bI6Z0VwklQBA0M3gvsrJxGY2oWKgRE0tcon1qV6TR0x3POZNvDANbu25UJLQZvhQST G4p3k/agyXmT6FiiXXb17Ti4/VNg8NageRnj0VVvwD9ZWD2NMRxcV0zkdjXc6trXXS lYRx4jEfiPkcw== Original-Received: from pastel (unknown [45.72.221.51]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 8DB921201B6; Sun, 17 Apr 2022 11:16:37 -0400 (EDT) In-Reply-To: (Madhu's message of "Sat, 16 Apr 2022 22:16:18 +0530") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:288560 Archived-At: Madhu [2022-04-16 22:16:18] wrote: > byte-code("#!E\"" [set-advertised-calling-convention cl-prettyexpand (form) "27.1" require help-mode add-to-list describe-symbol-backends nil cl-find-class #[771 "!" [cl-describe-type] 5 "\n\n(fn S B F)"]] 5) > cl-subseq((&cl-defs (nil (cl-tag-slot) (stack) (ppss) (ppss-point)) &optional (ppss (lisp-ppss)) &aux (ppss-point (point)) (stack (make-list (1+ (car ppss)) nil))) 0 4) It looks like some frames are missing between these two. > The error goes away if I remove the &aux (and thus make all the > arguments optional) I must say that seeing your backtrace I can't understand why your code doesn't work or rather why our code works (the call to `cl-subseq` depends on the presence of `&aux` which is already present in our code). > Might this be a bug from a recent change? (I've not looked at the > changes yet, so this is a note to self) The bootstrap is delicate and ad-hoc. Sometimes innocuous changes can break it. Stefan