From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#33014: 26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function Date: Thu, 18 Oct 2018 20:04:03 +0300 Message-ID: <83ftx3qj98.fsf@gnu.org> References: <87d0sh9hje.fsf@runbox.com> <83murjwplq.fsf@gnu.org> <87zhvjc4r3.fsf@runbox.com> <83y3b2uzyt.fsf@gnu.org> <87va65daw9.fsf@runbox.com> <8336t9vi3h.fsf@gnu.org> <87ftx89uqs.fsf@igel.home> <837eijtfw1.fsf@gnu.org> <878t2xd90z.fsf@runbox.com> <8336t4sfwy.fsf@gnu.org> <871s8ocbac.fsf@runbox.com> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1539882193 19261 195.159.176.226 (18 Oct 2018 17:03:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 18 Oct 2018 17:03:13 +0000 (UTC) Cc: 33014@debbugs.gnu.org, schwab@linux-m68k.org To: Gemini Lasswell Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 18 19:03:08 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gDBhS-0004sF-0h for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Oct 2018 19:03:06 +0200 Original-Received: from localhost ([::1]:43497 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDBjY-0002sN-6f for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Oct 2018 13:05:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35852) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDBjS-0002q0-1G for bug-gnu-emacs@gnu.org; Thu, 18 Oct 2018 13:05:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDBjM-0003GC-H9 for bug-gnu-emacs@gnu.org; Thu, 18 Oct 2018 13:05:09 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:53058) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gDBjM-0003G0-BP for bug-gnu-emacs@gnu.org; Thu, 18 Oct 2018 13:05:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gDBjL-0007RT-QJ for bug-gnu-emacs@gnu.org; Thu, 18 Oct 2018 13:05:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Oct 2018 17:05:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33014 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33014-submit@debbugs.gnu.org id=B33014.153988228828582 (code B ref 33014); Thu, 18 Oct 2018 17:05:02 +0000 Original-Received: (at 33014) by debbugs.gnu.org; 18 Oct 2018 17:04:48 +0000 Original-Received: from localhost ([127.0.0.1]:57316 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gDBj6-0007Qw-AA for submit@debbugs.gnu.org; Thu, 18 Oct 2018 13:04:48 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:54228) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gDBj4-0007Qj-MJ for 33014@debbugs.gnu.org; Thu, 18 Oct 2018 13:04:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDBit-0002sX-QQ for 33014@debbugs.gnu.org; Thu, 18 Oct 2018 13:04:37 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37058) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDBim-0002lV-Ir; Thu, 18 Oct 2018 13:04:29 -0400 Original-Received: from [176.228.60.248] (port=2547 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gDBik-00016s-QG; Thu, 18 Oct 2018 13:04:28 -0400 In-reply-to: <871s8ocbac.fsf@runbox.com> (message from Gemini Lasswell on Wed, 17 Oct 2018 18:07:39 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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: 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" Xref: news.gmane.org gmane.emacs.bugs:151387 Archived-At: > From: Gemini Lasswell > Cc: 33014@debbugs.gnu.org, schwab@linux-m68k.org > Date: Wed, 17 Oct 2018 18:07:39 -0700 > > Eli Zaretskii writes: > > > After thinking about this a bit, I don't really agree with the last > > one: the compiler could indeed stop tracking 'vector', but not > > XVECTOR (vector)->contents, and we are interested in the latter. > > If the compiler stops tracking 'vector', and the garbage collector frees > it, doesn't that cause XVECTOR (vector)->contents to be overwritten? Hmmm... could be. > > However, I'm still not convinced we are there. Can we establish which > > element(s) of the bytecode vector are GC'ed in this scenario? > > I'll see if I can figure that out. > > Is there an easy way to print the function binding of a Lisp symbol from > gdb? Not sure what you mean by "the function binding" in this context. I hope something like the following will do: (gdb) p fun (gdb) xpr Let me know if this isn't what you meant. Thanks.