From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Stuart D. Herring" Newsgroups: gmane.emacs.devel Subject: Re: Problem report #60 Date: Wed, 12 Apr 2006 10:29:16 -0700 (PDT) Message-ID: <41122.128.165.123.132.1144862956.squirrel@webmail.lanl.gov> References: <200604111548.k3BFmXjS015097@scanner2.ics.uci.edu> <39868.128.165.123.132.1144778085.squirrel@webmail.lanl.gov> Reply-To: herring@lanl.gov NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: sea.gmane.org 1144862991 15547 80.91.229.2 (12 Apr 2006 17:29:51 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Wed, 12 Apr 2006 17:29:51 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Apr 12 19:29:49 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FTjA0-0006kZ-26 for ged-emacs-devel@m.gmane.org; Wed, 12 Apr 2006 19:29:44 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTj9z-00088A-9N for ged-emacs-devel@m.gmane.org; Wed, 12 Apr 2006 13:29:43 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FTj9g-00086C-9W for emacs-devel@gnu.org; Wed, 12 Apr 2006 13:29:24 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FTj9e-00084k-J5 for emacs-devel@gnu.org; Wed, 12 Apr 2006 13:29:23 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FTj9e-00084H-33 for emacs-devel@gnu.org; Wed, 12 Apr 2006 13:29:22 -0400 Original-Received: from [192.65.95.54] (helo=mailwasher-b.lanl.gov) by monty-python.gnu.org with esmtp (Exim 4.52) id 1FTjEl-0005VF-7l; Wed, 12 Apr 2006 13:34:39 -0400 Original-Received: from mailrelay2.lanl.gov (mailrelay2.lanl.gov [128.165.4.103]) by mailwasher-b.lanl.gov (8.12.11/8.12.11/(ccn-5)) with ESMTP id k3CHTIkv023153; Wed, 12 Apr 2006 11:29:18 -0600 Original-Received: from webmail1.lanl.gov (webmail1.lanl.gov [128.165.4.106]) by mailrelay2.lanl.gov (8.12.11.20060308/8.12.11/(ccn-5)) with ESMTP id k3CHTHGW012735; Wed, 12 Apr 2006 11:29:17 -0600 Original-Received: from webmail1.lanl.gov (localhost.localdomain [127.0.0.1]) by webmail1.lanl.gov (8.12.11.20060308/8.12.11) with ESMTP id k3CHTGg7003273; Wed, 12 Apr 2006 11:29:16 -0600 Original-Received: (from apache@localhost) by webmail1.lanl.gov (8.12.11.20060308/8.12.11/Submit) id k3CHTGlm003271; Wed, 12 Apr 2006 10:29:16 -0700 X-Authentication-Warning: webmail1.lanl.gov: apache set sender to herring@lanl.gov using -f Original-Received: from 128.165.123.132 (SquirrelMail authenticated user 196434); by webmail.lanl.gov with HTTP; Wed, 12 Apr 2006 10:29:16 -0700 (PDT) In-Reply-To: Original-To: rms@gnu.org User-Agent: SquirrelMail/1.4.3a-11.EL3 X-Mailer: SquirrelMail/1.4.3a-11.EL3 X-Priority: 3 (Normal) Importance: Normal X-PMX-Version: 4.7.1.128075 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:52789 Archived-At: > So this is fine. It'd be a big bug if t were 0, though, indexing at > -1 > like that. Looking back up, it seems that if the while loop iterates > even > once, t is > 0, but what if the while test fails the first time? > > Which while test is that? Which line number? The while test starts at like 8745 in the problem report (the loop ends at line 9469). t is incremented unconditionally at line 9338, and the dangerous indexing/use is at line 9483. Davis -- This product is sold by volume, not by mass. If it appears too dense or too sparse, it is because mass-energy conversion has occurred during shipping.