From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 108736 invoked by alias); 7 Jul 2015 08:11:30 -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 108698 invoked by uid 48); 7 Jul 2015 08:11:27 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/66784] no symbol emitted for builtin with lto Date: Tue, 07 Jul 2015 08:11:00 -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: 6.0 X-Bugzilla-Keywords: lto X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: 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: keywords bug_status cf_reconfirmed_on cc everconfirmed 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: 2015-07/txt/msg00515.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66784 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |lto Status|UNCONFIRMED |NEW Last reconfirmed| |2015-07-07 CC| |hubicka at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Richard Biener --- I didn't know we detect these as "builtin". But yes, confirmed. There is LTO bytecode for __mulsc3 but no entry in lto_.symtab Same for regular builtins like abort (). Honza - why is this so? It surely looks like a bug to me. With -ffreestanding we do get the symbols.