From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C5D9C41513 for ; Tue, 1 Aug 2023 08:45:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231958AbjHAIpT convert rfc822-to-8bit (ORCPT ); Tue, 1 Aug 2023 04:45:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230120AbjHAIpQ (ORCPT ); Tue, 1 Aug 2023 04:45:16 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94DEC10E for ; Tue, 1 Aug 2023 01:45:15 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-202-eBnQEioCP9Cm7QIsQJ1Wuw-1; Tue, 01 Aug 2023 09:45:12 +0100 X-MC-Unique: eBnQEioCP9Cm7QIsQJ1Wuw-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 1 Aug 2023 09:45:10 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Tue, 1 Aug 2023 09:45:10 +0100 From: David Laight To: 'kernel test robot' , "'linux-kernel@vger.kernel.org'" , 'Andy Shevchenko' , 'Andrew Morton' , "'Matthew Wilcox (Oracle)'" , 'Christoph Hellwig' , "'Jason A. Donenfeld'" CC: "llvm@lists.linux.dev" , "oe-kbuild-all@lists.linux.dev" , "Linux Memory Management List" Subject: RE: [PATCH next v2 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness. Thread-Topic: [PATCH next v2 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness. Thread-Index: AdnBYvtzc0TxoNEXQSCZpxDmi1SwuQCjLWkAABi9BYA= Date: Tue, 1 Aug 2023 08:45:10 +0000 Message-ID: References: <202308010559.SEtfkzQU-lkp@intel.com> In-Reply-To: <202308010559.SEtfkzQU-lkp@intel.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: kernel test robot > Sent: 31 July 2023 22:44 > > kernel test robot noticed the following build errors: > > [auto build test ERROR on akpm-mm/mm-everything] > [also build test ERROR on linus/master crng-random/master v6.5-rc4 next-20230731] > [cannot apply to next-20230728] ... > compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git > f28c006a5895fc0e329fe15fead81e37457cb1d1) > reproduce: (https://download.01.org/0day-ci/archive/20230801/202308010559.SEtfkzQU- > lkp@intel.com/reproduce) > .... > >> drivers/gpu/drm/drm_modes.c:2474:15: error: static_assert expression is not an integral constant > expression > extra_ptr = max(bpp_end_ptr, refresh_end_ptr); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is really a bug in clang - fixed in 16.0.0. In C (but probably not C++) '(void *)1' should be a compile-time constant. Will be fixed in v3 of the patch. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)