From owner-freebsd-tinderbox@FreeBSD.ORG Thu Mar 29 07:45:32 2007 Return-Path: X-Original-To: tinderbox@freebsd.org Delivered-To: freebsd-tinderbox@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CA7E916A401; Thu, 29 Mar 2007 07:45:32 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (tim.des.no [194.63.250.121]) by mx1.freebsd.org (Postfix) with ESMTP id 8546C13C46C; Thu, 29 Mar 2007 07:45:32 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (localhost [127.0.0.1]) by spam.des.no (Postfix) with ESMTP id 99A452100; Thu, 29 Mar 2007 09:45:28 +0200 (CEST) X-Spam-Tests: AWL X-Spam-Learn: disabled X-Spam-Score: 0.0/3.0 X-Spam-Checker-Version: SpamAssassin 3.1.7 (2006-10-05) on tim.des.no Received: from dwp.des.no (des.no [80.203.243.180]) by smtp.des.no (Postfix) with ESMTP id 081E3207E; Thu, 29 Mar 2007 09:45:28 +0200 (CEST) Received: by dwp.des.no (Postfix, from userid 1001) id F0F50A1073; Thu, 29 Mar 2007 09:45:27 +0200 (CEST) From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=) To: Kris Kennaway References: <20070323212254.54F7D73039@freebsd-current.sentex.ca> <20070323214145.GA3822@krapfengeist> <46044D6C.1070304@samsco.org> <86648lsmmu.fsf@dwp.des.no> <20070328181335.GA24652@xor.obsecurity.org> Date: Thu, 29 Mar 2007 09:45:27 +0200 In-Reply-To: <20070328181335.GA24652@xor.obsecurity.org> (Kris Kennaway's message of "Wed, 28 Mar 2007 14:13:35 -0400") Message-ID: <86wt10qyqw.fsf@dwp.des.no> User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Matteo Riondato , Scott Long , i386@freebsd.org, current@freebsd.org, FreeBSD Tinderbox Subject: Re: [head tinderbox] failure on i386/i386 X-BeenThere: freebsd-tinderbox@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Tinderbox reports, responses, and meta-comments" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Mar 2007 07:45:32 -0000 Kris Kennaway writes: > On Wed, Mar 28, 2007 at 12:11:53PM +0200, Dag-Erling Sm?rgrav wrote: > > No, the tinderbox just uses -O2 (which implies -fno-strict-aliasing). > No, it implies -fstrict-aliasing, Sorry, typo on my part. I meant what you said. > which is why the tinderbox often breaks on code that was tested 100% > correctly by the committer prior to running with your nonstandard > flags ;) The code was obviously not tested 100% correctly, as the C standard forbids aliasing. Unfortunately, there are people in this project who systematically oppose any attempt to improve code quality, especially when it comes to their own code, and they have succeeded to the extent that not only is -O2 not the default, but the kernel build system is even instrumented to prevent its full use. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no