From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18886 invoked by alias); 15 Nov 2012 10:56:48 -0000 Received: (qmail 18872 invoked by uid 22791); 15 Nov 2012 10:56:47 -0000 X-SWARE-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from atrey.karlin.mff.cuni.cz (HELO atrey.karlin.mff.cuni.cz) (195.113.26.193) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 15 Nov 2012 10:56:42 +0000 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 4018) id AA6A6F072E; Thu, 15 Nov 2012 11:56:40 +0100 (CET) Date: Thu, 15 Nov 2012 10:56:00 -0000 From: Jan Hubicka To: tejohnson at google dot com Cc: gcc-bugs@gcc.gnu.org Subject: Re: [Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed Message-ID: <20121115105638.GC21457@atrey.karlin.mff.cuni.cz> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-IsSubscribed: yes 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: 2012-11/txt/msg01388.txt.bz2 > Note though that this is not an assert. It just emits a message to > stderr. Do you think a better error message is appropriate? I'm not > sure the "some data files may have been removed" is an accurate > description of the issue. Perhaps something like "Profile data file > mismatch may indicate corrupt profile data"? Well, we should figure out why sum_all starts to diverge. If we had problems mixing cc1 and cc1plus executions, we should get mismatches in number of counters. What happens after the miscompare? Honza