From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8580 invoked by alias); 6 Nov 2015 12:50:40 -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 8214 invoked by uid 89); 6 Nov 2015 12:50:37 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.2 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RCVD_IN_DNSWL_LOW autolearn=no version=3.3.2 X-HELO: mail-out.m-online.net Received: from mail-out.m-online.net (HELO mail-out.m-online.net) (212.18.0.9) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Fri, 06 Nov 2015 12:50:19 +0000 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 3nshQH3GxVz3hjMk; Fri, 6 Nov 2015 13:50:15 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 3nshQH1j9kzvhLM; Fri, 6 Nov 2015 13:50:15 +0100 (CET) Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavisd-new, port 10024) with ESMTP id QRZkHtNy0Ni3; Fri, 6 Nov 2015 13:50:14 +0100 (CET) X-Auth-Info: mNxViifK6EliWdOegJhkeW9q7rHwijv5KapDK0NBDDpjcViN0t1cjwgXp7Cg+Paf Received: from igel.home (ppp-88-217-107-243.dynamic.mnet-online.de [88.217.107.243]) by mail.mnet-online.de (Postfix) with ESMTPA; Fri, 6 Nov 2015 13:50:13 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 82F922C04FC; Fri, 6 Nov 2015 13:50:13 +0100 (CET) From: Andreas Schwab To: Martin Sebor Cc: Jason Merrill , Gcc Patch List Subject: Re: [PING 2] [PATCH] c++/67942 - diagnose placement new buffer overflow References: <561D3DEC.5090209@gmail.com> <5626D4D0.4010603@gmail.com> <562ED7E4.8030001@gmail.com> <56381EB8.4090708@redhat.com> <563A3C45.1060907@gmail.com> <563A58AB.608@redhat.com> <563A9FAD.2050807@gmail.com> <563ADAA2.9090702@redhat.com> <563B71F5.8030902@gmail.com> <563B7541.3010902@redhat.com> <563B8953.20901@gmail.com> X-Yow: Yow! Am I having fun yet? Date: Fri, 06 Nov 2015 12:50:00 -0000 In-Reply-To: <563B8953.20901@gmail.com> (Martin Sebor's message of "Thu, 05 Nov 2015 09:52:35 -0700") Message-ID: <87d1vngum2.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SW-Source: 2015-11/txt/msg00613.txt.bz2 I see this failure on m68k: FAIL: g++.dg/warn/Wplacement-new-size.C -std=gnu++11 (test for excess errors) Excess errors: /daten/aranym/gcc/gcc-20151106/gcc/testsuite/g++.dg/warn/Wplacement-new-size.C:189:19: warning: placement new constructing an object of type 'int' and size '4' in a region of type 'char [4]' and size '0' [-Wplacement-new] /daten/aranym/gcc/gcc-20151106/gcc/testsuite/g++.dg/warn/Wplacement-new-size.C:191:19: warning: placement new constructing an object of type 'int' and size '4' in a region of type 'char [4]' and size '0' [-Wplacement-new] /daten/aranym/gcc/gcc-20151106/gcc/testsuite/g++.dg/warn/Wplacement-new-size.C:194:19: warning: placement new constructing an object of type 'int' and size '4' in a region of type 'char [4]' and size '0' [-Wplacement-new] /daten/aranym/gcc/gcc-20151106/gcc/testsuite/g++.dg/warn/Wplacement-new-size.C:198:19: warning: placement new constructing an object of type 'int' and size '4' in a region of type 'char [4]' and size '0' [-Wplacement-new] That appears to be a 32-bit problem, the test also fails here on x86-64 with -m32 or here on powerpc Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."