From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20114 invoked by alias); 1 May 2010 22:31:01 -0000 Received: (qmail 20072 invoked by alias); 1 May 2010 22:30:51 -0000 Date: Sat, 01 May 2010 22:31:00 -0000 Message-ID: <20100501223051.20071.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/43729] Mach-O LTO support needed for darwin In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "stevenb dot gcc at gmail dot com" 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: 2010-05/txt/msg00058.txt.bz2 ------- Comment #26 from stevenb dot gcc at gmail dot com 2010-05-01 22:30 ------- Subject: Re: Mach-O LTO support needed for darwin >    Do you mean the errors which have "symbol xxx can't be undefined in a > subtraction expression"? Yes, exactly those. > A google shows this to look like that discussed > here... > > http://gcc.gnu.org/ml/gcc-bugs/2003-11/msg01552.html > > which is apparently PR10901. On gpc seems to have been worked around with a > --longjmp-all-nonlocal-labels option? I don't think that's the same problem. With LTO it happens for regular variables. But perhaps the problems are related. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43729