From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#15405: 24.3; #[] freezes emacs Date: Sat, 21 Sep 2013 05:28:58 +0400 Message-ID: <523CF65A.7010607@yandex.ru> References: <8361tynp73.fsf@gnu.org> <834n9inoa0.fsf@gnu.org> <871u4mcf2h.fsf@rosalinde.fritz.box> <831u4mnlit.fsf@gnu.org> <83txhilymg.fsf@gnu.org> <83ob7pmh28.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1379727022 29963 80.91.229.3 (21 Sep 2013 01:30:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 21 Sep 2013 01:30:22 +0000 (UTC) Cc: stephen.berman@gmx.net, 15405@debbugs.gnu.org, Leo Liu To: Barry OReilly , Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Sep 21 03:30:24 2013 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 1VNC1d-0006El-K5 for geb-bug-gnu-emacs@m.gmane.org; Sat, 21 Sep 2013 03:30:21 +0200 Original-Received: from localhost ([::1]:58322 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VNC1d-0005LW-5H for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Sep 2013 21:30:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48172) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VNC1T-0005LJ-Nr for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 21:30:18 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VNC1M-0003UO-Pl for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 21:30:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:43916) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VNC1M-0003T7-MW for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 21:30:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VNC1L-0007sY-Ho for bug-gnu-emacs@gnu.org; Fri, 20 Sep 2013 21:30:04 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Dmitry Antipov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 21 Sep 2013 01:30:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15405 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15405-submit@debbugs.gnu.org id=B15405.137972698130231 (code B ref 15405); Sat, 21 Sep 2013 01:30:03 +0000 Original-Received: (at 15405) by debbugs.gnu.org; 21 Sep 2013 01:29:41 +0000 Original-Received: from localhost ([127.0.0.1]:52208 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VNC0y-0007rS-GL for submit@debbugs.gnu.org; Fri, 20 Sep 2013 21:29:40 -0400 Original-Received: from forward2l.mail.yandex.net ([84.201.143.145]:58635) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VNC0u-0007r6-Ps for 15405@debbugs.gnu.org; Fri, 20 Sep 2013 21:29:38 -0400 Original-Received: from smtp12.mail.yandex.net (smtp12.mail.yandex.net [95.108.131.191]) by forward2l.mail.yandex.net (Yandex) with ESMTP id 87EC91AC0D5C; Sat, 21 Sep 2013 05:29:29 +0400 (MSK) Original-Received: from smtp12.mail.yandex.net (localhost [127.0.0.1]) by smtp12.mail.yandex.net (Yandex) with ESMTP id EAADE16A0485; Sat, 21 Sep 2013 05:29:28 +0400 (MSK) Original-Received: from unknown (unknown [37.139.80.10]) by smtp12.mail.yandex.net (nwsmtp/Yandex) with ESMTP id lVC7Q64K89-SwSGXd7j; Sat, 21 Sep 2013 05:28:58 +0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1379726938; bh=6tB9d6WHFjzTK+ALvXMZIExR6Fs5Dob9HSY+LAuHj1w=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=b/zYMQHjS5YfaQaKxJ23ygNAjZR8ceVj+KFCyFv10Vt1a50iWUp1rb2QpllXOmnNt PHmau1FMZp+RJkZXc4bBt++CKaBuNn7ZZuPW3/4oWQ5d5EhK9eiV5SWn6Wutl0HRMy 97VC2Upxucaa05lEqdOUPdcMa7972J1vUMSfte3A= Authentication-Results: smtp12.mail.yandex.net; dkim=pass header.i=@yandex.ru User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 In-Reply-To: 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: 140.186.70.43 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:78636 Archived-At: On 09/21/2013 01:38 AM, Barry OReilly wrote: > If performance didn't motivate making a global zero_vector, what did? 1) Small memory saving, like with empty strings. 2) Simple implementation - (eq [] []) is trivial. BTW, I have no ideas who and why produces empty bytecode strings. Shouldn't it be disallowed/optimized away? IIUC this is the only PVEC_xxx type which can be zero-sized. Dmitry