From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: "Daniel Colascione" Newsgroups: gmane.emacs.bugs Subject: bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded Date: Mon, 6 Jan 2020 09:01:24 -0800 Message-ID: <8b2e879676c6ecc1371d50e033164424.squirrel@dancol.org> References: <333553AC-68DE-4F1C-9586-5A13248AD6DD@icloud.com> <83ftgvh96l.fsf@gnu.org> <83a771g2tc.fsf@gnu.org> <83o8vgee85.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="96680"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: SquirrelMail/1.4.23 [SVN] Cc: niwtrx@icloud.com, 38912@debbugs.gnu.org, Pip Cet To: "Eli Zaretskii" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 06 18:02:35 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ioVlv-000Oww-6A for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 6 Jan 2020 09:01:24 -0800 In-Reply-To: <83o8vgee85.fsf@gnu.org> X-Priority: 3 (Normal) Importance: Normal X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:174244 Archived-At: >> From: Pip Cet >> Date: Mon, 6 Jan 2020 15:51:57 +0000 >> Cc: NiwTinray , Daniel Colascione >> , 38912@debbugs.gnu.org >> >> > #2 0x01326817 in check_hash_table_rehash >> (table_orig=XIL(0xa000000006288090)) >> > at pdumper.c:2684 >> >> Can you confirm table_orig is cl--generic-dispatchers? > > I don't think I know how. Hash tables don't seem to have names stored > in them, do they? (If they did, I'd expect xhashtable to print that > name.) > >> Again, I doubt this is related to the original bug. That `equal' >> behaves weirdly like this is a problem I've mentioned before (when >> (equal a b) signals but (equal b a) succeeds), but the consensus then >> was not to change it, so it's possible this is only the rehashing >> check needing to be more careful. This consensus is wrong. We need to make equality imply sxhash equality or very odd things (like this) will happen. C++ and Java both require this relationship between hash code equality and object equality, and we should too. Can we just fix the bytecode sxhash bug?