From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: martin rudalics via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#71774: 31.0.50; Hash table weakness broken? Date: Wed, 26 Jun 2024 11:08:27 +0200 Message-ID: <0485afd0-9022-41d0-aaee-9ad080f7aace@gmx.at> References: <538ef1ba-fc7a-482a-a469-4faf0ff3cfb5@gmx.at> Reply-To: martin rudalics Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9158"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla Thunderbird Cc: 71774-done@debbugs.gnu.org To: Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jun 26 11:09:31 2024 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 1sMOec-0001wu-HF for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 26 Jun 2024 11:09:26 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMOeE-0002HC-98; Wed, 26 Jun 2024 05:09:02 -0400 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 1sMOeC-0002GZ-E2 for bug-gnu-emacs@gnu.org; Wed, 26 Jun 2024 05:09:00 -0400 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 1sMOeC-0006DT-5w for bug-gnu-emacs@gnu.org; Wed, 26 Jun 2024 05:09:00 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1sMOeE-0007M8-2r for bug-gnu-emacs@gnu.org; Wed, 26 Jun 2024 05:09:02 -0400 Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Wed, 26 Jun 2024 09:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 71774 X-GNU-PR-Package: emacs Mail-Followup-To: 71774@debbugs.gnu.org, rudalics@gmx.at, rudalics@gmx.at Original-Received: via spool by 71774-done@debbugs.gnu.org id=D71774.171939292228248 (code D ref 71774); Wed, 26 Jun 2024 09:09:01 +0000 Original-Received: (at 71774-done) by debbugs.gnu.org; 26 Jun 2024 09:08:42 +0000 Original-Received: from localhost ([127.0.0.1]:38476 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sMOdt-0007LX-Ow for submit@debbugs.gnu.org; Wed, 26 Jun 2024 05:08:42 -0400 Original-Received: from mout.gmx.net ([212.227.15.15]:36035) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1sMOdq-0007LI-Ah for 71774-done@debbugs.gnu.org; Wed, 26 Jun 2024 05:08:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.at; s=s31663417; t=1719392908; x=1719997708; i=rudalics@gmx.at; bh=AoK64Q67oJJGEmBQS1gk5nlgVu/wXdS2BVOH1vFcYuI=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=HqK3GJsseWmgJV0T26XQTeV5/OrMKVYkd1P53YvFlOvOar1otwEhfM/S8i13NJlB BPctBZFp4VwUgvQm4CJZ1QP4jTH/8SJfe4qTBRBuYGDXUOT1K90kdEM5QoJixGgig EeKZR8iLOvZpGd6C6tnWoD87D5pcana1IjShi9pbRPOXv9U9/U0FcTdPOHsSPA14x KEjkEQBZh3U63cxpy72m3QBRRlTRTjYyPpr4lEcLpORadaAV1EFaxaKKe4qlfjPYX YClroaRpCHAo8ZYLUoDnZhzf/ZLyUNMgI4Urns7zx6aCPR22xNUtp8MsbPrT7jP1u fG5eIF8LmwODq4Db0w== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Original-Received: from [192.168.31.113] ([213.142.97.45]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1N3se2-1sV1XY0JVI-011IrU; Wed, 26 Jun 2024 11:08:28 +0200 Content-Language: en-US In-Reply-To: X-Provags-ID: V03:K1:rpFxG001dWns6Q/Ne61a2ZcJbJ48c3onkNmlkjXEaODecUvCali nLOUyaaereFcAID70hUCJbWOe6Re2lpY7d+O9C4CsJalQ3TDbXQ6uVUPLTGIhKnyrsxpsk+ /EoIgwzbB/Irb4zgZPSe5Fq2X/bGL1UW468PyTnrUMms2hi67r9NGg7gx5OWmYVoHZjRLmT bgdB8hAsez0hl/O5VEDHg== UI-OutboundReport: notjunk:1;M01:P0:+Z4w0RJkDbs=;G+hAaPZvas/c6YxyKiilcOgT31S B0uIfrIzIqRWJNhxm9fmhD2BPMABTUYD+m20mSKmFdZZWoon7jGGm26A/55vqabUWSnxGS2OZ 82mc076iylb15hHzZ7VjlBfGwZQO2YAiXKYvbS7wQtq4q0SZU/+sLW97EMU/1Luf0HOGEKQeb mi/3BKC+E5NF+uKPmglgHnAwfURjjppc17NBALAEPCYfaonEztLj5vJ367IdDQowsVjBSnq+c wM8AsNYVxwaN8VAvjmT21g4xseK+4jitLNEP30JcfJ+ppWotjUdS8k4v9aJGI/QaCimWi2ckL HbvEpTOEAgIwYtDDoape/NXmr+hNXyGWvSoVtWAR7ERzc70LtW4zCz888GxFEniMyVhveS8DL 2VdpDElljCsYov/++eAXXlw+wpA2IXrPtD6PVoTEOsK2WOdzdr6V15PYVM+w8zvjpPrwaQERq GNff/j/PLH0dDOM9JvNJ5j+dYhrUq0EDj27boy3PyoyHno0M+sLpM1/DOiQM+orweSTyrZVw/ 2kD10PmEn9bDDefgeSR+JpgkNBh52A1UzdTZPhUrMZPm8m9lwl3M0pKT0rxjFRo8lVuciCXOS ydscXT5jHDy7Qzcj/YJH5mG7AJYPRwB0W5zwJpaLZyu53/o5iKUkTirX1Xn9EX/sodtO8SJCh 9YSygTYZC3bFKCojONAIhjN3g1y8xbjWjpOBNSzc4b2mb7WgF3U12i6itYVmU9+cm+JoSj1Ag dKxXxrjPFXEAOIF1W3l2IQkhRNjlt017htU73bgHFF+opYwrqcrWg9/qAgJDAKHVWC2paSc6 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:287924 Archived-At: >> Which "values" would you set to nil? > > The global variable "values", which the REPL uses to store evaluated values. > >> What precisely did you do? > > Here's my *scratch* buffer in emacs -Q: > > > (defvar table (make-hash-table :weakness t)) > > (puthash t (split-window) table) > > (delete-other-windows) > > (garbage-collect) > > (gethash t table) > > (setq values nil) > > (garbage-collect) > > (gethash t table) > > > What I did is go through this buffer line by line, using C-x C-e after each line. The first gethash produces the window, the second returns nil. You're right. So here the scenario (defvar table (make-hash-table :weakness t)) (progn (puthash t (split-window) table) (delete-other-windows)) (garbage-collect) (gethash t table) gets me nil too. So to make such tests work one has to tinker with that obsolete variable 'values'. Worrisome. Closing this bug and many thanks, martin