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#54990: Byte compiler bug Date: Sun, 17 Apr 2022 16:32:53 +0200 Message-ID: References: Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) 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="16575"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Lars Ingebrigtsen , 54990@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Apr 17 16:34:11 2022 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 1ng5yc-00043K-Ah for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 17 Apr 2022 16:34:10 +0200 Original-Received: from localhost ([::1]:57078 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ng5yb-00028x-92 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 17 Apr 2022 10:34:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40062) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ng5yU-00026Q-9l for bug-gnu-emacs@gnu.org; Sun, 17 Apr 2022 10:34:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42955) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ng5yT-00015w-Vv for bug-gnu-emacs@gnu.org; Sun, 17 Apr 2022 10:34:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ng5yT-0001sS-TY for bug-gnu-emacs@gnu.org; Sun, 17 Apr 2022 10:34:01 -0400 X-Loop: help-debbugs@gnu.org In-Reply-To: Resent-From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 17 Apr 2022 14:34:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54990 X-GNU-PR-Package: emacs Original-Received: via spool by 54990-submit@debbugs.gnu.org id=B54990.16502059857151 (code B ref 54990); Sun, 17 Apr 2022 14:34:01 +0000 Original-Received: (at 54990) by debbugs.gnu.org; 17 Apr 2022 14:33:05 +0000 Original-Received: from localhost ([127.0.0.1]:36852 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ng5xZ-0001rG-Ci for submit@debbugs.gnu.org; Sun, 17 Apr 2022 10:33:05 -0400 Original-Received: from mail1452c50.megamailservers.eu ([91.136.14.52]:38517 helo=mail266c50.megamailservers.eu) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ng5xW-0001qh-RS for 54990@debbugs.gnu.org; Sun, 17 Apr 2022 10:33:03 -0400 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1650205975; bh=rH0PhieDLl715Fdz5s6+DOBepNJL2DJfE/2/8TtdMjw=; h=From:Subject:Date:Cc:To:From; b=YA+o0qeKBuEX4zsqtHgO9TAK3VKvBCHB3PeAolDjP8+PpPBxa4iVs/vZs/JdHFGmB x1SUtWnHed6nlMgu8w+6Q3urZ5YLcWYEr9LHr+kTurjAYdamGqxStE8Zne6A6UOmCm 75ee3+NxCDVWsoJ5LW78ZCHLg3Y/HzsIQUYYRIPU= Feedback-ID: mattiase@acm.or Original-Received: from smtpclient.apple (c188-150-171-71.bredband.tele2.se [188.150.171.71]) (authenticated bits=0) by mail266c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 23HEWrkV015032; Sun, 17 Apr 2022 14:32:55 +0000 X-Mailer: Apple Mail (2.3654.120.0.1.13) X-CTCH-RefID: str=0001.0A742F24.625C2517.0035, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 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" Xref: news.gmane.io gmane.emacs.bugs:230062 Archived-At: This is related to symbol positioning so Alan should be well-placed to = debug it. (The symbol names are irrelevant.) It's `compile-defun` that is broken; the constant vector of the = resulting bytecode contains symbols with position as hash table keys for = a switch operation. Compare the bytecode object with that from = `byte-compile` which works correctly: (defun tata (x) (cond ((eq x 'a) 'toto) ((eq x 'b) 'titi))) (byte-compile 'tata) =3D> #[257 "..." [#s(hash-table size 2 test eq rehash-size 1.5 = rehash-threshold 0.8125 purecopy t data (a 6 b 8)) toto titi nil] 3 = "..."] ;; if using `compile-defun` on `tata`: (symbol-function 'tata) #[257 "..." [#s(hash-table size 2 test eq rehash-size 1.5 = rehash-threshold 0.8125 purecopy t data (# 6 # 8)) toto titi nil] 3 "..."]