From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#20241: 25.0.50; `setq' with only one argument Date: Thu, 26 Nov 2015 12:06:19 +0000 Message-ID: <20151126120619.GB1738@acm.fritz.box> References: <20151125110755.GC2007@acm.fritz.box> <20151125154030.GF2007@acm.fritz.box> <20151125172211.GH2007@acm.fritz.box> <5c5c14de-444e-4847-b91a-e7dff29b3f58@default> <87610pwqyd.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1448539525 22163 80.91.229.3 (26 Nov 2015 12:05:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 26 Nov 2015 12:05:25 +0000 (UTC) Cc: John Wiegley , 20241@debbugs.gnu.org, Johan =?UTF-8?Q?Bockg=C3=A5rd?= , Artur Malabarba To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Nov 26 13:05:10 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1a1vIT-0008TB-62 for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Nov 2015 13:05:09 +0100 Original-Received: from localhost ([::1]:50668 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a1vIV-00035m-4L for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Nov 2015 07:05:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36167) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a1vIQ-00034S-Es for bug-gnu-emacs@gnu.org; Thu, 26 Nov 2015 07:05:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a1vIM-0000l0-Bi for bug-gnu-emacs@gnu.org; Thu, 26 Nov 2015 07:05:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35524) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a1vIM-0000kw-8H for bug-gnu-emacs@gnu.org; Thu, 26 Nov 2015 07:05:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1a1vIL-0007um-Mv for bug-gnu-emacs@gnu.org; Thu, 26 Nov 2015 07:05:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 26 Nov 2015 12:05:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20241 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20241-submit@debbugs.gnu.org id=B20241.144853945830364 (code B ref 20241); Thu, 26 Nov 2015 12:05:01 +0000 Original-Received: (at 20241) by debbugs.gnu.org; 26 Nov 2015 12:04:18 +0000 Original-Received: from localhost ([127.0.0.1]:53465 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a1vHd-0007tg-Q0 for submit@debbugs.gnu.org; Thu, 26 Nov 2015 07:04:18 -0500 Original-Received: from mail.muc.de ([193.149.48.3]:64495) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a1vHb-0007tX-BE for 20241@debbugs.gnu.org; Thu, 26 Nov 2015 07:04:16 -0500 Original-Received: (qmail 91298 invoked by uid 3782); 26 Nov 2015 12:04:13 -0000 Original-Received: from acm.muc.de (p5B146E70.dip0.t-ipconnect.de [91.20.110.112]) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 26 Nov 2015 13:04:12 +0100 Original-Received: (qmail 18461 invoked by uid 1000); 26 Nov 2015 12:06:19 -0000 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 208.118.235.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:109283 Archived-At: Hello, Andreas. On Thu, Nov 26, 2015 at 09:58:39AM +0100, Andreas Schwab wrote: > Johan Bockgård writes: > > (funcall) (print t) > > Compile. Load .elc => > > This consistently gives me one of two results: > > A segfault, or "Invalid function: 183795961" where the actual > > number depends on the timestamp of the .elc file. > That's a bug in the byte compiler, it shouldn't generate call 0 without > an operand on the stack. Try the following fix: diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index ffe73de..842e73d 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -4012,8 +4012,12 @@ byte-compile-while (setq byte-compile--for-effect nil))) (defun byte-compile-funcall (form) - (mapc 'byte-compile-form (cdr form)) - (byte-compile-out 'byte-call (length (cdr (cdr form))))) + (if (cdr form) + (progn + (mapc 'byte-compile-form (cdr form)) + (byte-compile-out 'byte-call (length (cdr (cdr form))))) + (byte-compile-log-warning "`funcall' called with no arguments" nil :error) + (byte-compile-form '(signal 'wrong-number-of-arguments '(funcall 0))))) ;; let binding > Andreas. -- Alan Mackenzie (Nuremberg, Germany).