From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5235 invoked by alias); 5 Jan 2012 18:41:50 -0000 Received: (qmail 5226 invoked by uid 22791); 5 Jan 2012 18:41:50 -0000 X-SWARE-Spam-Status: No, hits=-2.1 required=5.0 tests=AWL,BAYES_00,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from hermes.synopsys.com (HELO hermes.synopsys.com) (198.182.44.81) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 05 Jan 2012 18:41:34 +0000 Received: from mother.synopsys.com (mother.synopsys.com [146.225.100.171]) by hermes.synopsys.com (Postfix) with ESMTP id 8F7075A4B8; Thu, 5 Jan 2012 10:41:33 -0800 (PST) Received: from us01wxhtc1.internal.synopsys.com (localhost [127.0.0.1]) by mother.synopsys.com (8.9.1/8.9.1) with ESMTP id KAA05742; Thu, 5 Jan 2012 10:41:29 -0800 (PST) Received: from US01WXMBX1.internal.synopsys.com ([10.15.75.41]) by us01wxhtc1.internal.synopsys.com ([10.15.75.39]) with mapi; Thu, 5 Jan 2012 10:41:28 -0800 From: Joe Buck To: Jason Merrill , Gabriel Dos Reis CC: Joe Buck , James Y Knight , "gcc@gcc.gnu.org" Date: Thu, 05 Jan 2012 18:55:00 -0000 Subject: RE: Long-term plan for C++98/C++11 incompatibility Message-ID: <59662D5BB74CD84D9FA8E6491ADB51A7E3A5BB8E@US01WXMBX1.internal.synopsys.com> References: <59662D5BB74CD84D9FA8E6491ADB51A7DEAE4E3D@US01WXMBX1.internal.synopsys.com> <20111010222528.GB29806@synopsys.com> ,<4F05ED4C.3050502@redhat.com> In-Reply-To: <4F05ED4C.3050502@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2012-01/txt/msg00055.txt.bz2 On 10/10/2011 08:07 PM, Gabriel Dos Reis wrote: > PODness has changed from C++98. Jason Merrill wrote: > Class layout in the ABI still uses the C++98 definition of POD. But does this actually matter? If I understand correctly, more classes are= POD under the C++11 rules than the C++98 rules, but are there any classes that are legal C++98 = that require a different layout under the new rules? Can anyone produce an example of a real (and n= ot a theoretical) binary incompatibility?