From owner-svn-src-all@FreeBSD.ORG Sun Dec 15 19:09:15 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4E96B7DA for ; Sun, 15 Dec 2013 19:09:15 +0000 (UTC) Received: from mail-pb0-x22f.google.com (mail-pb0-x22f.google.com [IPv6:2607:f8b0:400e:c01::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 1EB8D19F4 for ; Sun, 15 Dec 2013 19:09:15 +0000 (UTC) Received: by mail-pb0-f47.google.com with SMTP id um1so4541781pbc.6 for ; Sun, 15 Dec 2013 11:09:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=kuNiKHzueQr46rY44hJwps6CAUdx+T+A+YjM+5rT0/Y=; b=Onh+l0Bix7f75Zlu1pRXTT5HdoqrBr86JpctlnKzxN307ZPhg+vHaDLVgoJiJx/MOp O8Y5jClJg5R5EYRZoIOCr8ImNKyigmWwzHKX91hMvkpg1LsZTD9HQ/YCbWlW5vu43ELD +FsQGbNh0wrXMGT1sKaFRWgKsgLe6dQnfyJCg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc:content-type; bh=kuNiKHzueQr46rY44hJwps6CAUdx+T+A+YjM+5rT0/Y=; b=TVug34+/PFUpHa3Xf6xj899OXiwm/iUw0IIgtzvR6Dsv1QoBk8108T64ywRE/EsTk2 LRPr/cixkmT296+snS9RK4IYIn2+ai2m+cQxlGWjR2Rzt+ftqkGB+vhcyJr8jGWdgjri US+frKME+qdmpMUbMrtkm3PrfgD3UJS8mylVwnGQqKq+6ExJYRcaxPtDElxx9NB0k8ug VMF0U3LWmUD2kxDjVuJLvVlYF3LUhe62h+SJFxFI2xWuM6xVv6s21D7Cm7HSQcVim016 /0mh349N60cFb8oqp0ocmLLwwQcPWYnmlmi0jb6SpbDO/UKDl/cVkS94lBttjddCYgdS g9wA== X-Gm-Message-State: ALoCoQnRbWVqa9+XPtSoJX2fJvURf2GCvSXgmzWlWJxaLFYjdT+UzWIuB8ClA7/hD0W07vM70nm5 X-Received: by 10.69.31.170 with SMTP id kn10mr15791694pbd.106.1387134554611; Sun, 15 Dec 2013 11:09:14 -0800 (PST) MIME-Version: 1.0 Sender: lists@eitanadler.com Received: by 10.70.57.98 with HTTP; Sun, 15 Dec 2013 11:08:44 -0800 (PST) In-Reply-To: <201312151813.rBFIDhgW024562@svn.freebsd.org> References: <201312151813.rBFIDhgW024562@svn.freebsd.org> From: Eitan Adler Date: Sun, 15 Dec 2013 14:08:44 -0500 X-Google-Sender-Auth: hd-3wN7kgoNd_WJvE-PKHzXi6sU Message-ID: Subject: Re: svn commit: r259422 - head/sys/conf To: Konstantin Belousov Content-Type: text/plain; charset=UTF-8 Cc: "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , "src-committers@freebsd.org" X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Dec 2013 19:09:15 -0000 On Sun, Dec 15, 2013 at 1:13 PM, Konstantin Belousov wrote: > Author: kib > Date: Sun Dec 15 18:13:42 2013 > New Revision: 259422 > URL: http://svnweb.freebsd.org/changeset/base/259422 > > Log: > Revert r259045. > > It seems that clang miscompiles code related to UDP with -fno-strict-overflow. = Is this actual miscompilation or just a missed optimization opportunity? -- Eitan Adler Source, Ports, Doc committer Bugmeister, Ports Security teams