From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31519 invoked by alias); 9 Sep 2011 16:04:03 -0000 Received: (qmail 31508 invoked by uid 22791); 9 Sep 2011 16:04:02 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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; Fri, 09 Sep 2011 16:03:45 +0000 From: "Paulo.Matos at csr dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug other/50345] New: Incomplete GCC Internals sentence on LTO Date: Fri, 09 Sep 2011 16:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: other X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: Paulo.Matos at csr dot com 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: 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: 2011-09/txt/msg00694.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50345 Bug #: 50345 Summary: Incomplete GCC Internals sentence on LTO Classification: Unclassified Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned@gcc.gnu.org ReportedBy: Paulo.Matos@csr.com In the GCC Internals manual, LTO chapter (http://gcc.gnu.org/onlinedocs/gccint/LTO.html) there's the sentence (2nd paragraph): "A, perhaps surprising, side effect of this feature is that any mistake in the toolchain that leads to LTO information not being used (e.g. an older libtool calling ld directly)." I have a feeling that the mentioned 'surprising side effect' is never actually explained.