From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 47636 invoked by alias); 9 Nov 2017 17:42:36 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 47579 invoked by uid 89); 9 Nov 2017 17:42:35 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.1 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_2,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy= X-HELO: smtp.CeBiTec.Uni-Bielefeld.DE Received: from smtp.CeBiTec.Uni-Bielefeld.DE (HELO smtp.CeBiTec.Uni-Bielefeld.DE) (129.70.160.84) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 09 Nov 2017 17:42:33 +0000 Received: from localhost (localhost.CeBiTec.Uni-Bielefeld.DE [127.0.0.1]) by smtp.CeBiTec.Uni-Bielefeld.DE (Postfix) with ESMTP id D93DE80B; Thu, 9 Nov 2017 18:42:28 +0100 (CET) Received: from smtp.CeBiTec.Uni-Bielefeld.DE ([127.0.0.1]) by localhost (malfoy.CeBiTec.Uni-Bielefeld.DE [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 3MuZ2DaKnkiq; Thu, 9 Nov 2017 18:42:27 +0100 (CET) Received: from manam.CeBiTec.Uni-Bielefeld.DE (p54ACF0BF.dip0.t-ipconnect.de [84.172.240.191]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by smtp.CeBiTec.Uni-Bielefeld.DE (Postfix) with ESMTPSA id 29C4280A; Thu, 9 Nov 2017 18:42:27 +0100 (CET) From: Rainer Orth To: Eric Botcazou Cc: gcc-patches@gcc.gnu.org Subject: Re: [patch] Fix EH breakage in LTO mode References: <1568718.AUOz7rQ1P4@polaris> Date: Thu, 09 Nov 2017 18:03:00 -0000 In-Reply-To: <1568718.AUOz7rQ1P4@polaris> (Eric Botcazou's message of "Thu, 09 Nov 2017 17:11:39 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (usg-unix-v) MIME-Version: 1.0 Content-Type: text/plain X-IsSubscribed: yes X-SW-Source: 2017-11/txt/msg00782.txt.bz2 Hi Eric, > the patch > > 2017-07-06 Jan Hubicka > > * lto-wrapper.c (merge_and_complain): Do not merge > fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno, > fsigned_zeros, ftrapping_math, fwrapv. > (append_compiler_options): Do not track these options. > (append_linker_options): Likewie > > has broken exception handling in LTO mode for targets which don't force either > -funwind-tables or -fasynchronous-unwind-tables (i.e not x86) and do not > default to -fdwarf2-cfi-asm (i.e. not Linux), for example SPARC/Solaris. this is PR lto/81351. Rainer -- ----------------------------------------------------------------------------- Rainer Orth, Center for Biotechnology, Bielefeld University