From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from icp-osb-irony-out2.external.iinet.net.au (icp-osb-irony-out2.external.iinet.net.au [203.59.1.155]) by sourceware.org (Postfix) with ESMTP id 6463D383D804 for ; Wed, 11 May 2022 08:16:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6463D383D804 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=netspace.net.au Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=netspace.net.au IronPort-SDR: 9fhdqrys6CxsX2K6wE+xODvSsctjn2Z7VKODRMbhuUITRPxzcHR7VRPkAFNrsKVceNUGQPex5M LwmSwvjX3DvtoJuuYhSUBqHNJp5hbfebhwMu8unU2N+fJ1zVsVF7oy/DKQb1MzRVqPcTalhRD6 D374EAxWLZBla/8UeaRM/lq+Xd9NDmLbt64gL6Hj8wB/Asq6PD1qcKrAdsk+xuJ41hUpvhxogs QDyr2dyX8al64xMjs7dVR/QvcaR2bzv+zGtnUxBfg2AjRdN47hy16nLvCX94Aao5a++ktB/7O4 RwI= X-SMTP-MATCH: 1 IronPort-Data: A9a23:fxhbDa3tzPgsMlzeiPbD5Xxzkn2cJEfYwER7XKvMYLTBsI5bpzxVz mpMWmnUM6zcZmr3ftt1btvk9k0B6JKHn4dhSlE6qSg9HnlHl5HIVI+TRqvS04N+DSFioGZPt Zh2hgzodZhsJpPkS5bE3oHJ9RGQ74nRLlbHILOCa3kZqTNMEn9700o+wrdh2+aEvPDia++zk YKqyyHgEAL9s9JEGjp8B3Wr8U4HUFza4Vv0j3RmDRx5lAa2e0o9VfrzEZqMw07QGeG4KAIbq 9Hrl9lV9kuBl/skIo/+yO6jKiXmSJaKVeSFoiI+t6SK3kMY/nRquko2HKJ0VKtZt9mGt9Bs2 cpr6oyXcgEkYYPlvfZAVAkEMBgraMWq+JefSZS+mf/KnheAKiW8ha0oVREDVWEa0r8nWScUr aRecWFcKEHZ7w616OvTpu1EnMY4LMD0FIUSpmp4xDrUS/ArXdbKXs0m4PcEhGhg2JoQQ6q2i 8wxeThlNUXlUzR0A0pPWYswp/jwjyLvfGgNwL6Sje9ti4TJ9yRq27jyOdD9ft2MWNUQmxjIp STB5WuRKh4WPvSEzief+X+zj/XC2yThV+ov+KaQr64yxQfLnilKWUxTBAH9rei/zE+/Xd9Db UoZ5mwnsMDe6XCWczU0ZDXgyFbsg/LWc4A4/zESgO1V9pfp3g== IronPort-HdrOrdr: A9a23:WZ2Lcq7TkDLqsLPShgPXwBTXdLJyesId70hD6qkRc20vTiX8ra uTdZsguyMc5Ax9ZJhio6HlBED4exLhHMdOgbX5Xo3SPjUO2lHYVL2KhLGKq1fd8kvFh4tgPM xbHJSWZuedMbE0t7ec3OAUKadH/PCXtIqTraP1yXN1SAFjbKttqz1+Fh2QHiRNNWp77N4CZe Oh2vY= X-IronPort-AV: E=Sophos;i="5.91,216,1647273600"; d="scan'208";a="407862664" Received: from 180-200-199-92.dyn.iinet.net.au (HELO [192.168.0.18]) ([180.200.199.92]) by icp-osb-irony-out2.iinet.net.au with ESMTP; 11 May 2022 16:16:18 +0800 Subject: Re: sizeof From: Russell Shaw To: gdb@sourceware.org, Andreas Schwab References: <89fec0c3-8259-4951-5478-2afe6e0f1643@simark.ca> <0bc59583-bc2f-0ca7-e5eb-6f371ca402e1@netspace.net.au> <8735hh3l98.fsf@igel.home> <6772c7d9-8242-2946-3a74-9e6b05f9daf8@netspace.net.au> Message-ID: Date: Wed, 11 May 2022 18:16:18 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, NICE_REPLY_A, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2022 08:16:28 -0000 int bar() { return 0; } template void foo() { T p = bar; } int main(int argc, char *argv[]) { foo(); } g++ ... main.cpp: In instantiation of ‘void foo() [with T = int()]’: main.cpp:13:9: required from here main.cpp:7:7: error: variable ‘p’ has function type 7 | T p = bar; | ^ *************************************************** If the "int()" type-id decayed to "int(*)()", this would work. "sizeof(int()) => 1" just seems wrong, but maybe it's a matter of taste that has been explicitly decided.