From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7782 invoked by alias); 22 Aug 2010 12:40:22 -0000 Received: (qmail 7550 invoked by uid 48); 22 Aug 2010 12:40:00 -0000 Date: Sun, 22 Aug 2010 12:40:00 -0000 Message-ID: <20100822124000.7549.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug lto/45375] Mozilla does not build with LTO In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "hubicka at gcc dot gnu dot org" 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: 2010-08/txt/msg01806.txt.bz2 ------- Comment #1 from hubicka at gcc dot gnu dot org 2010-08-22 12:39 ------- Quick summary :) 1) -g build is currently broken because of dwarf2out recursion. 2) sqlite still gets miscompiled at 32bit (PR44897), but works now at 64bit for some reason 3) Workaround attached to PR44846 is needed to avoid ICE due to one decl C++ FE issues 4) 32bit mozilla now builds fine for me when linked with -O2, but -Os (the default) leads to segfault at startup apparently because xpcom components do not reproduce correctly 5) Older versions of gold seems to have issues. 6) Martin's devirtualization seems to behave funny doing 7400 clones and the redirecting just about 20 calls. 7) Both Martin and Taras reported ICE in lto-symtab I can't reproduce 8) Mozilla needs some changes, since __attribute__ ((used)) is missing. I will attach diff. 9) One needs 4GB in /tmp, with sane partitioning this goes down to 1GB 10) 32bit build gets close to addressing space issues at WPA stage, probably we should not mmap all the .o files, since only about 1GB goes to garbage collected memory. -- hubicka at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mjambor at suse dot cz Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-08-22 12:40:00 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375