From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Your changes in revision 106240 Date: Sun, 30 Oct 2011 01:06:16 -0400 Message-ID: References: <83d3df8qod.fsf@gnu.org> <4EACBA10.9010007@cs.ucla.edu> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1319951191 13925 80.91.229.12 (30 Oct 2011 05:06:31 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 30 Oct 2011 05:06:31 +0000 (UTC) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 30 06:06:27 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RKNbF-0006si-PZ for ged-emacs-devel@m.gmane.org; Sun, 30 Oct 2011 06:06:25 +0100 Original-Received: from localhost ([::1]:42935 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RKNbE-0007JE-NQ for ged-emacs-devel@m.gmane.org; Sun, 30 Oct 2011 01:06:24 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:49879) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RKNbC-0007Iy-6X for emacs-devel@gnu.org; Sun, 30 Oct 2011 01:06:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RKNbB-00039A-9W for emacs-devel@gnu.org; Sun, 30 Oct 2011 01:06:22 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:55427 helo=ironport2-out.pppoe.ca) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RKNb9-00038y-V0; Sun, 30 Oct 2011 01:06:20 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AhgFAMHarE5FxK2K/2dsb2JhbABDDqdMgg+BBoFyAQEEAScvIxALNBIUGA0kiBWyCYkCBKFEg3JT X-IronPort-AV: E=Sophos;i="4.69,425,1315195200"; d="scan'208";a="145153671" Original-Received: from 69-196-173-138.dsl.teksavvy.com (HELO pastel.home) ([69.196.173.138]) by ironport2-out.pppoe.ca with ESMTP/TLS/ADH-AES256-SHA; 30 Oct 2011 01:06:16 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 9F66C58E17; Sun, 30 Oct 2011 01:06:16 -0400 (EDT) In-Reply-To: <4EACBA10.9010007@cs.ucla.edu> (Paul Eggert's message of "Sat, 29 Oct 2011 19:44:32 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:145788 Archived-At: >> what possible harm can be done by using an int here? > On a typical 64-bit host, using 'int' breaks a GDB command like > "xwhichsymbols Qnil 4294967297", by causing xwhichsymbols > to silently treat the 4294967297 as if it were 1. But this has nothing to do with EMACS_INT. It's at best a misfeature in the GDB->C interfacing that doesn't warn of such rounding, tho one might argue that they are intentional and that a programmer should expect them. In any case, this arg is *never* going to be that large. Stefan