From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3097 invoked by alias); 15 Nov 2012 01:34:02 -0000 Received: (qmail 2753 invoked by uid 55); 15 Nov 2012 01:33:45 -0000 From: "tejohnson at google dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/55051] [4.8 Regression] profiledbootstrap failed Date: Thu, 15 Nov 2012 01:34:00 -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: tejohnson at google dot com 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/msg01343.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 --- Comment #18 from Teresa Johnson 2012-11-15 01:33:43 UTC --- On Wed, Nov 14, 2012 at 5:28 PM, Teresa Johnson wrote: > > > > > On Wed, Nov 14, 2012 at 5:17 PM, hubicka at gcc dot gnu.org wrote: >> >> >> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55051 >> >> --- Comment #16 from Jan Hubicka 2012-11-15 01:17:43 UTC --- >> Theresa: I am using gcc10 from compilation farm, but I think it is fairly >> universal problem. > > > Ok, I am doing a profiledbootstrap -j24 with trunk on linux x86_64 to see if I can reproduce it. > >> >> Also I think that gcc_assert should not be assert, but an user readable error >> about gcov file corruption. > > > Are we talking about the coverage mismatch error, i.e.: > > ../../libiberty/cp-demangle.c: In function 'd_print_cast.isra.8': > ../../libiberty/cp-demangle.c:5642:1: error: the control flow of function > 'd_print_cast.isra.8' does not match its profile data (counter 'arcs') > [-Werror=coverage-mismatch] > } > ^ > ../../libiberty/cp-demangle.c:5642:1: note: use -Wno-error=coverage-mismatch to > tolerate the mismatch but performance may drop if the function is hot > > I don't think this was introduced by my changes. Or are we talking about a different error? Oh got it - it is this one, right?: profiling:/home/tejohnson/extra/gcc_trunk_3_obj/libcpp/files.gcda:Invocation mismatch - some data files may have been removed I think this one was there before, but I had to modify it after my histogram change. I will take a look. Teresa > > > Thanks, > Teresa >> >> >> -- >> Configure bugmail: http://gcc.gnu.org/bugzilla/userprefs.cgi?tab=email >> ------- You are receiving this mail because: ------- >> You are on the CC list for the bug. > > > > > -- > Teresa Johnson | Software Engineer | tejohnson@google.com | 408-460-2413 > -- Teresa Johnson | Software Engineer | tejohnson@google.com | 408-460-2413