From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21714 invoked by alias); 29 Jan 2014 14:13:36 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 21613 invoked by uid 48); 29 Jan 2014 14:13:31 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/59977] lto1: internal compiler error: bytecode stream: expected tag real_type instead of error_mark Date: Wed, 29 Jan 2014 14:13:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-01/txt/msg03035.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59977 --- Comment #5 from Richard Biener --- (In reply to David Kredba from comment #3) > Thank you. > > sci-libs/vc was build with gcc 4.9 lto a few svn revisions before, other > libraries are not built with LTO at all. > > I will try vc first and then this again. Mixing LTO bytecode from different releases (or even different SVN revisions) isn't supported and in most cases doesn't work (in surprising ways). Unfortunately GCC doesn't have good measures to defend itself from LTO bytecode format changes ... :/