From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by sourceware.org (Postfix) with ESMTPS id 34C8938362CF; Thu, 1 Sep 2022 01:39:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 34C8938362CF Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ecsmtp.sh.intel.com Authentication-Results: sourceware.org; spf=none smtp.mailfrom=ecsmtp.sh.intel.com X-IronPort-AV: E=McAfee;i="6500,9779,10456"; a="359552393" X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="359552393" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 18:39:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="612304143" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by orsmga002.jf.intel.com with ESMTP; 31 Aug 2022 18:39:40 -0700 Received: from shliclel314.sh.intel.com (shliclel314.sh.intel.com [10.239.240.214]) by shvmail03.sh.intel.com (Postfix) with ESMTP id 3A29A1005706; Thu, 1 Sep 2022 09:39:39 +0800 (CST) Received: from shliclel314.sh.intel.com (localhost [127.0.0.1]) by shliclel314.sh.intel.com (8.15.2/8.12.8/MailSET/client) with ESMTP id 2811db4a3591695; Thu, 1 Sep 2022 09:39:37 +0800 Received: (from haochenj@localhost) by shliclel314.sh.intel.com (8.15.2/8.12.8/MailSET/Submit) id 2811dbRe3591685; Thu, 1 Sep 2022 09:39:37 +0800 From: "haochen.jiang" Message-Id: <202209010139.2811dbRe3591685@shliclel314.sh.intel.com> Date: Thu, 01 Sep 2022 09:39:37 +0800 To: haochen.jiang@intel.com, gcc-patches@gcc.gnu.org, gcc-regression@gcc.gnu.org, jwakely@redhat.com Subject: [r13-2303 Regression] FAIL: g++.dg/tree-ssa/empty-loop.C -std=gnu++20 (test for excess errors) on Linux/x86_64 User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Linux/x86_64, b911ca4231a366ddfd026f190b126bd517f4e640 is the first bad commit commit b911ca4231a366ddfd026f190b126bd517f4e640 Author: Jonathan Wakely Date: Fri Aug 26 16:22:21 2022 +0100 libstdc++: Add [[nodiscard]] attribute to and caused FAIL: g++.dg/tree-ssa/empty-loop.C -std=gnu++17 (test for excess errors) FAIL: g++.dg/tree-ssa/empty-loop.C -std=gnu++20 (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2303/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap To reproduce: $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/empty-loop.C --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/empty-loop.C --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/empty-loop.C --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/tree-ssa/empty-loop.C --target_board='unix{-m64\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)