From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.CeBiTec.Uni-Bielefeld.DE (smtp.CeBiTec.Uni-Bielefeld.DE [129.70.160.84]) by sourceware.org (Postfix) with ESMTPS id 52CE33857808; Sun, 15 Nov 2020 16:03:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 52CE33857808 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=CeBiTec.Uni-Bielefeld.DE Authentication-Results: sourceware.org; spf=none smtp.mailfrom=ro@cebitec.uni-bielefeld.de Received: from localhost (localhost [127.0.0.1]) by smtp.CeBiTec.Uni-Bielefeld.DE (Postfix) with ESMTP id D3A0AAB1F; Sun, 15 Nov 2020 17:03:40 +0100 (CET) X-Virus-Scanned: amavisd-new at CeBiTec.Uni-Bielefeld.DE Received: from smtp.CeBiTec.Uni-Bielefeld.DE ([127.0.0.1]) by localhost (smtp.cebitec.uni-bielefeld.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jckq0Ut-f8tC; Sun, 15 Nov 2020 17:03:40 +0100 (CET) Received: from manam.CeBiTec.Uni-Bielefeld.DE (p4fddb2f4.dip0.t-ipconnect.de [79.221.178.244]) by smtp.CeBiTec.Uni-Bielefeld.DE (Postfix) with ESMTPSA id 28726AB1E; Sun, 15 Nov 2020 17:03:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=CeBiTec.Uni-Bielefeld.DE; s=20200306; t=1605456220; bh=LF+X6RN5cvmvjbyI3+g5JIkA8JFKIWPTtu0pwyx5a3g=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=hDQ8/76gEoYWwFQvBFU0nq/tlPRkIQIkXr6m9xmWV58GmNgGao+3uQQPRhkeK8vXc 5+qAofdb1xNTEALEr4s8C5RuD02pOvLr3TAHxSj1VUx64lsJB+82vgKGRodeBFhxBq xu0cToFDZ9MDSdz4S6gLv8kDvh7NttiC37pG93woEUL/gKjHkh4PqAYG2P0SZY+3+Z ZSdTvp5Yy2nlr4G2KFtHtFTeXszZV/VnT06VOdWufEl3d1Lq5+fiOKiTokU2l9eRpg Qj1BkcjVEgN7RGlhLQsV5/CjDm+QZ5BrHUBAP1eFxl4HoAWewUy9+v05xkONCnHB9w 5OwZlVBqbRzSQ== From: Rainer Orth To: Jan Hubicka Cc: gcc@gcc.gnu.org, Andreas Schwab , Richard Biener , gcc-patches@gcc.gnu.org Subject: Re: Detect EAF flags in ipa-modref References: <20201109131632.GA12394@kam.mff.cuni.cz> <20201109231418.GF65107@kam.mff.cuni.cz> <20201110125418.GB53229@kam.mff.cuni.cz> <20201110143143.GA91644@kam.mff.cuni.cz> <87361ahph7.fsf@linux-m68k.org> <20201115111254.GB45304@kam.mff.cuni.cz> <20201115123307.GC45304@kam.mff.cuni.cz> <20201115130351.GD45304@kam.mff.cuni.cz> Date: Sun, 15 Nov 2020 17:03:39 +0100 In-Reply-To: <20201115130351.GD45304@kam.mff.cuni.cz> (Jan Hubicka's message of "Sun, 15 Nov 2020 14:03:51 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (usg-unix-v) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-3790.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Nov 2020 16:03:43 -0000 Hi Jan, >> > When I configure with ../configure --enable-languages=go my build >> > eventually finishes fine on curren trunk: >> [...] >> > On Debian SLES machines. Having preprocessed go-diagnostics.cc and >> > .uninit1 dump would probably help. >> >> apart from go/diagnostics.cc, I see the warning several times in >> libstdc++, but only for the 32-bit multilib. >> >> Try building either for i686-pc-linux-gnu or a bi-arch >> x86_64-pc-linux-gnu build. > > My build is bi-arch. I will check libstdc++ warnings, but we had some > such warnings previously there too (plus we have tons of uninitialized > warnings with LTO bootstrap). seems to be an issue on 32-bit hosts: I get the same failure on i686-pc-linux-gnu. > This really may depend on glibc headers and how string functions get > expanded. This is why I think having preprocessed diagnotics.cc > should help. This is Solaris, so no glibc in sight ;-) I'll send the Linux/i686 preprocessed source and uninit1 dump in private mail. Reproduce with ccplus -fpreprocessed go-diagnostics.ii -quiet -mtune=generic -march=pentiumpro -O2 -Wextra -Wall -Werror -o go-diagnostics.s Rainer -- ----------------------------------------------------------------------------- Rainer Orth, Center for Biotechnology, Bielefeld University