From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10309 invoked by alias); 28 Nov 2010 19:47:17 -0000 Received: (qmail 10296 invoked by uid 22791); 28 Nov 2010 19:47:15 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Sun, 28 Nov 2010 19:47:12 +0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/46468] enabling -fomit-frame-pointer by default breaks Wine X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail 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: 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 Date: Sun, 28 Nov 2010 20:34:00 -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 X-SW-Source: 2010-11/txt/msg03465.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46468 --- Comment #13 from H.J. Lu 2010-11-28 19:47:02 UTC --- (In reply to comment #11) > it is unclear. ... it seems to crash in libgcc_s.so.1 (both the installed 4.5 > and the built 4.6 trunk versuon) during this pthread_exit unwinding. > > behaviour changes if thread.o is built with -fasynchronous-unwind-tables . then > it will not crash > Why isn't thread.o built with -fasynchronous-unwind-tables? -fasynchronous-unwind-tables should be on by default with gcc 4.6.