From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4073 invoked by alias); 16 Nov 2012 18:57:56 -0000 Received: (qmail 3736 invoked by uid 55); 16 Nov 2012 18:57:43 -0000 From: "hubicka at ucw dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed Date: Fri, 16 Nov 2012 18:57:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at ucw dot cz X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 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 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/msg01548.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #29 from Jan Hubicka 2012-11-16 18:57:41 UTC --- > > I'm confused - that is essentially what it is doing today (although > comparing against the first merged file instead of the last merged > file). It isn't expecting all the gcda files to have the same number > of runs, but when they do it expects them to have the same sum_all. > See the trace of updates I show below this pseudo code in the same > email that shows why that is not working. Hmm, after some tought I guess what can happen is that number of run matches but these are different run, because more than 2 streamings may be running... Honza