From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20312 invoked by alias); 21 May 2014 06:16:42 -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 20257 invoked by uid 55); 21 May 2014 06:16:38 -0000 From: "hubicka at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/60899] undef reference generated with -fdevirtualize-speculatively Date: Wed, 21 May 2014 06:16:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 4.10.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: hubicka 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: 2014-05/txt/msg01816.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60899 --- Comment #10 from Jan Hubicka --- Author: hubicka Date: Wed May 21 06:16:03 2014 New Revision: 210676 URL: http://gcc.gnu.org/viewcvs?rev=210676&root=gcc&view=rev Log: PR tree-optimization/60899 * gimple-fold.c (can_refer_decl_in_current_unit_p): Cleanup; assume all static symbols will have definition wile parsing and check the do have definition later in compilation; check that variable referring symbol will be output before concluding that reference is safe; be conservative for referring local statics; be more precise about when comdat is output in other partition. g++.dg/ipa/devirt-11.C: Update template. Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/g++.dg/ipa/devirt-11.C