From owner-freebsd-current@FreeBSD.ORG Wed Jan 2 21:59:49 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 23DB16CA for ; Wed, 2 Jan 2013 21:59:49 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-la0-f53.google.com (mail-la0-f53.google.com [209.85.215.53]) by mx1.freebsd.org (Postfix) with ESMTP id 9EEA86E3 for ; Wed, 2 Jan 2013 21:59:48 +0000 (UTC) Received: by mail-la0-f53.google.com with SMTP id fn20so6760402lab.26 for ; Wed, 02 Jan 2013 13:59:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=AelFtaPB0oywVrQWUuttJ4EazZbSqE+z9hgtQc7Sh+A=; b=cakpyiFgcNon+lk1xKOBVAhUroijXSyzWG0k29MgScfOamQjGpaknQ2TsrwY6vdLnj F+aVRzYrAwZxIf6LLoDtZCCC0D7kya4/oMjAGBqWebjmQLiIkj9irCuqc/00ZnzuhJVm fVFsVCpGBcZNW3iu8j/I3DmGRl8lOHAcL0J3E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:x-gm-message-state; bh=AelFtaPB0oywVrQWUuttJ4EazZbSqE+z9hgtQc7Sh+A=; b=Bx11mfz0Vh/Cu/YFk2jdNE2GX7nU5d03I5RuhgakxI185M/bcStjUJSDHZZb8uxgF9 NlyVRG/AjswKgOoFSBeQ1wY9DDhOLMLc/RGSeXMtgBbw8Ve4Ix7+0lmJvZvSy1nQtPmB WvpsiDyfTjRbjd11Ri971yuwlG3DS+23oOLtOwvrPhRDFAv+3HixUCnwDvTkygS9vHgZ YHEyX2zsYPSm6iEDmoknLCSXQsa0GdBW1aCSL8nXfr3UoNqS7q3kzZH/zerJpjv0xkq6 jHm37zOuVcqaKXZ1FgjrIaYDgYTTzwDk+bPKzWCcGLmzeVBo9FXZ0r/C3Z/Wfy9tMIEA u5fA== Received: by 10.152.125.237 with SMTP id mt13mr45089553lab.45.1357163987247; Wed, 02 Jan 2013 13:59:47 -0800 (PST) MIME-Version: 1.0 Received: by 10.112.75.200 with HTTP; Wed, 2 Jan 2013 13:59:17 -0800 (PST) In-Reply-To: <20130102135950.GA1464@mole.fafoe.narf.at> References: <20121227150724.GA1431@mole.fafoe.narf.at> <50DC65F5.6060004@freebsd.org> <50E0BD66.4070609@FreeBSD.org> <20130102135950.GA1464@mole.fafoe.narf.at> From: Eitan Adler Date: Wed, 2 Jan 2013 16:59:17 -0500 Message-ID: Subject: Re: clang 3.2 RC2 miscompiles libgcc? To: Stefan Farfeleder Content-Type: text/plain; charset=UTF-8 X-Gm-Message-State: ALoCoQkilsJQMVG3ItlMXHB6qCHDvnxU9TJp/m1RZYjWiRmaIsKFrIGt3obNKJqcI9YP0y+TqPlj Cc: freebsd-current@freebsd.org, Dimitry Andric , Nathan Whitehorn X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Jan 2013 21:59:49 -0000 On 2 January 2013 08:59, Stefan Farfeleder wrote: > On Sun, Dec 30, 2012 at 11:17:10PM +0100, Dimitry Andric wrote: >> >> I have been playing with Stefan's testcase for a while now, and while I >> can reproduce the crashes, I am still at a loss about the cause. It >> does seem to have something to do with throwing exceptions, but I am >> still not sure whether I am looking at a bug in boost, gcc, clang, or >> libgcc... >> >> Do you happen to have a smaller testcase, by any chance? > > Not yet, but I'll try to come up with something smaller. Take a look at devel/delta as well as creduce (require ToT clang so it is unported at this time) to help you with finding minimal testcase. If you need help, let me know. -- Eitan Adler