From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 58663 invoked by alias); 23 Nov 2015 22:53:58 -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 58590 invoked by uid 89); 23 Nov 2015 22:53:52 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD autolearn=no version=3.3.2 X-HELO: nikam.ms.mff.cuni.cz Received: from nikam.ms.mff.cuni.cz (HELO nikam.ms.mff.cuni.cz) (195.113.20.16) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Mon, 23 Nov 2015 22:53:35 +0000 Received: by nikam.ms.mff.cuni.cz (Postfix, from userid 16202) id 4A9C3540617; Mon, 23 Nov 2015 23:53:31 +0100 (CET) Date: Mon, 23 Nov 2015 23:09:00 -0000 From: Jan Hubicka To: Jan Hubicka Cc: Eric Botcazou , gcc-patches@gcc.gnu.org, "H.J. Lu" , Richard Biener , Arnaud Charlet Subject: Re: Fix lto-symtab ICE during Ada LTO bootstrap Message-ID: <20151123225331.GC88607@kam.mff.cuni.cz> References: <20151121182122.GB23225@kam.mff.cuni.cz> <2994568.AbHtM70Sqm@polaris> <20151123183655.GB77967@kam.mff.cuni.cz> <3793629.kLXY97NfLp@polaris> <20151123223832.GA65817@kam.mff.cuni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151123223832.GA65817@kam.mff.cuni.cz> User-Agent: Mutt/1.5.21 (2010-09-15) X-SW-Source: 2015-11/txt/msg02806.txt.bz2 > > > If you have any clue how to debug it further, I would be happy to try. > > > That atree code is real software engineering treat BTW > > > > I'll have a look at some point, once things have stabilized a bit. > > OK, I will push out the remaining patches needed to get LTO into a shape to > compile gnat1 and we can try to take a look from that. It seems that gnat1 > was broken with LTO this way at least since GCC 5. I will also try to check if -fno-strict-aliasing or -fno-ipa-icf fixes the issue. Honza