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#30626: 26.0.91; Crash when traversing a `stream-of-directory-files' Date: Thu, 01 Mar 2018 17:00:33 +0200 Message-ID: <83k1uvyh66.fsf@gnu.org> References: <87inaiss6l.fsf@web.de> <6FCF6ACA-4F29-4B6B-BE9D-D7130C6E9495@gnu.org> <87fu5moe4c.fsf@web.de> <877eqyocro.fsf@web.de> <83zi3uz4nb.fsf@gnu.org> <87lgfd52by.fsf@gmail.com> <87bmg91ity.fsf@web.de> <83h8q1yuin.fsf@gnu.org> <87po4pnl0a.fsf@web.de> <837eqxyqoe.fsf@gnu.org> <87lgfdnf86.fsf@web.de> <87muzs11hk.fsf@web.de> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1519916360 313 195.159.176.226 (1 Mar 2018 14:59:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 1 Mar 2018 14:59:20 +0000 (UTC) Cc: npostavs@gmail.com, 30626@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Mar 01 15:59:16 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 1erPft-0007wE-SL for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Mar 2018 15:59:13 +0100 Original-Received: from localhost ([::1]:57456 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erPhv-0003pG-WC for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Mar 2018 10:01:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41632) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erPhi-0003mG-Pu for bug-gnu-emacs@gnu.org; Thu, 01 Mar 2018 10:01:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1erPhe-0001IL-Pf for bug-gnu-emacs@gnu.org; Thu, 01 Mar 2018 10:01:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:59780) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1erPhe-0001IC-Lf for bug-gnu-emacs@gnu.org; Thu, 01 Mar 2018 10:01:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1erPhe-0001rv-AX for bug-gnu-emacs@gnu.org; Thu, 01 Mar 2018 10:01:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Mar 2018 15:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 30626 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 30626-submit@debbugs.gnu.org id=B30626.15199164377145 (code B ref 30626); Thu, 01 Mar 2018 15:01:02 +0000 Original-Received: (at 30626) by debbugs.gnu.org; 1 Mar 2018 15:00:37 +0000 Original-Received: from localhost ([127.0.0.1]:39444 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1erPhE-0001rB-IG for submit@debbugs.gnu.org; Thu, 01 Mar 2018 10:00:36 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:50466) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1erPhA-0001qw-H5 for 30626@debbugs.gnu.org; Thu, 01 Mar 2018 10:00:32 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1erPh1-0000lH-A8 for 30626@debbugs.gnu.org; Thu, 01 Mar 2018 10:00:27 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:54060) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erPh1-0000ku-6Y; Thu, 01 Mar 2018 10:00:23 -0500 Original-Received: from [176.228.60.248] (port=4586 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1erPh0-0004G8-JZ; Thu, 01 Mar 2018 10:00:23 -0500 In-reply-to: <87muzs11hk.fsf@web.de> (message from Michael Heerdegen on Thu, 01 Mar 2018 12:25:43 +0100) 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:143782 Archived-At: > From: Michael Heerdegen > Cc: npostavs@gmail.com, 30626@debbugs.gnu.org > Date: Thu, 01 Mar 2018 12:25:43 +0100 > > Seems that whether we get a crash or not depends on details in the > implementation of lexical-binding. Byte compilation doesn't just produce byte code, it also changes the code into an equivalent one, but "equivalence" in this context doesn't include side effects like stack usage. As an extreme example, consider a tail-recursive program that the byte compiler converts (or at least might convert theoretically) into a loop.