From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by sourceware.org (Postfix) with ESMTPS id 0E3F73954455 for ; Tue, 10 May 2022 14:48:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0E3F73954455 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4KyLWZ3xL9z1s75k; Tue, 10 May 2022 16:48:26 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4KyLWZ3kG9z1qqkC; Tue, 10 May 2022 16:48:26 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id GvWdBqKuix73; Tue, 10 May 2022 16:48:25 +0200 (CEST) X-Auth-Info: /twCqRkerOv7dPMxW6A57S2XoLMD9XdED7Bzh8uLh2q6tTcY8K7mlMQqVW0rI8t/ Received: from igel.home (ppp-46-244-178-130.dynamic.mnet-online.de [46.244.178.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 10 May 2022 16:48:25 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 33CBD2C380C; Tue, 10 May 2022 16:48:25 +0200 (CEST) From: Andreas Schwab To: Russell Shaw Cc: gdb@sourceware.org Subject: Re: sizeof References: <89fec0c3-8259-4951-5478-2afe6e0f1643@simark.ca> <0bc59583-bc2f-0ca7-e5eb-6f371ca402e1@netspace.net.au> <8735hh3l98.fsf@igel.home> X-Yow: I guess it was all a DREAM.. or an episode of HAWAII FIVE-O... Date: Tue, 10 May 2022 16:48:25 +0200 In-Reply-To: (Russell Shaw's message of "Wed, 11 May 2022 00:20:38 +1000") Message-ID: <87czgl1m12.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, 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: Tue, 10 May 2022 14:48:30 -0000 On Mai 11 2022, Russell Shaw wrote: > On 10/5/22 5:22 pm, Andreas Schwab wrote: >> On Mai 10 2022, Russell Shaw wrote: >> >>>> Andreas Schwab wrote: >>>> On Mai 09 2022, Russell Shaw wrote: >>>> >>>>> sizeof(int()) should transform to sizeof(int (*)()) according to the C++20 >>>>> standard. >>>> >>>> No, see [expr.sizeof] #3. >>> >>> What does "[expr.sizeof] #3" refer to ? >> Paragrph #3 in section [expr.sizeof]. >> "The lvalue-to-rvalue (7.3.1), array-to-pointer (7.3.2), and >> function-to-pointer (7.3.3) standard conversions are not applied to >> the operand of sizeof." > > "Standard conversions" are only applied to expressions, not type-id (which > is an abstract declarator syntax). So what's the chapter and verse for your claim? -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."