From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2302 invoked by alias); 9 May 2012 09:40:35 -0000 Received: (qmail 1998 invoked by uid 22791); 9 May 2012 09:40:34 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 09 May 2012 09:40:22 +0000 From: "vincenzo.innocente at cern dot ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/53282] lto and visibility-inlines-hidden makes "wrongly" hidden symbols and in a way that depends on the order of the input compilation units Date: Wed, 09 May 2012 09:45:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Keywords: X-Bugzilla-Severity: blocker X-Bugzilla-Who: vincenzo.innocente at cern dot ch X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-05/txt/msg00970.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53282 --- Comment #6 from vincenzo Innocente 2012-05-09 09:39:54 UTC --- On 9 May, 2012, at 11:10 AM, rguenth at gcc dot gnu.org wrote: > All hidden symbols are postfixed with something like .local.77.4195, making > them no longer the symbols for the explicitely instantiated functions. > > I suppose you say that the bug is that you have explicitely instantiated > some templates which you want to have appear in the library as exported > but LTO makes all instances hidden so that no externally visible symbol > for that explicitely instantiated template remains? correct. The additional point is that this happens only for some symbols, not all, even if the definitions/declarations are identical.