From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 67364 invoked by alias); 17 Aug 2017 13:52:35 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 65503 invoked by uid 89); 17 Aug 2017 13:52:34 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.4 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_1,RCVD_IN_DNSWL_NONE,SPF_PASS,URIBL_RED autolearn=ham version=3.3.2 spammy= X-HELO: relay1.mentorg.com Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 17 Aug 2017 13:52:30 +0000 Received: from nat-ies.mentorg.com ([192.94.31.2] helo=svr-ies-mbx-01.mgc.mentorg.com) by relay1.mentorg.com with esmtp id 1diLDn-0000gj-GC from joseph_myers@mentor.com ; Thu, 17 Aug 2017 06:52:27 -0700 Received: from digraph.polyomino.org.uk (137.202.0.87) by svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Thu, 17 Aug 2017 14:52:17 +0100 Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.86_2) (envelope-from ) id 1diLDZ-0005h5-7t; Thu, 17 Aug 2017 13:52:13 +0000 Date: Thu, 17 Aug 2017 14:19:00 -0000 From: Joseph Myers To: "H.J. Lu" CC: Martin Sebor , Jason Merrill , GCC Patches Subject: Re: RFC: [PATCH] Add warn_if_not_aligned attribute In-Reply-To: <20170708134504.GA1303@gmail.com> Message-ID: References: <6c6c268d-a40b-cfa9-574c-ad235f9205b7@gmail.com> <4a4ac20f-9c27-4844-55dc-38ff56ac138b@gmail.com> <20170616115455.GA3457@gmail.com> <20170708134504.GA1303@gmail.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-ClientProxiedBy: svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) To svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) X-SW-Source: 2017-08/txt/msg01074.txt.bz2 On Sat, 8 Jul 2017, H.J. Lu wrote: > +@item -Wpacked-not-aligned @r{(C, C++, Objective-C and Objective-C++ only)} > +@opindex Wpacked-not-aligned > +@opindex Wno-packed-not-aligned > +Warn if a structure field with explicitly specified alignment in a > +packed struct or union is misaligned. For example, a warning will > +be issued on @code{struct S}, like, @code{warning: alignment 1 of > +'struct S' is less than 8}, in this code: Use @samp for warnings quoted in the manual, as previously discussed. OK with that change, in the absence of C++ maintainer objections within 48 hours. -- Joseph S. Myers joseph@codesourcery.com