From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28619 invoked by alias); 21 Dec 2011 10:33:01 -0000 Received: (qmail 28603 invoked by uid 22791); 21 Dec 2011 10:32:59 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_CX 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; Wed, 21 Dec 2011 10:32:46 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/51648] [4.7 Regression] Profiledbootstrap failure on x86_64-linux Date: Wed, 21 Dec 2011 10:37:00 -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: jakub at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 X-Bugzilla-Changed-Fields: Target Milestone Summary 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: 2011-12/txt/msg02337.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51648 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.7.0 Summary|[4.7 Regression] |[4.7 Regression] | |Profiledbootstrap failure | |on x86_64-linux --- Comment #1 from Jakub Jelinek 2011-12-21 10:32:29 UTC --- CFLAGS='-O2 -g -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' CXXFLAGS='-O2 -g -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' \ ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-checking=release \ --disable-build-with-cxx --disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu \ --enable-languages=c,c++,lto --enable-plugin --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux make -j8 'BOOT_CFLAGS=-O2 -g -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic' profiledbootstrap fails on current trunk, reproduceably (3 times already) with: ../../gcc/gcc.c:8278:1: error: corrupted profile info: profile data is not flow-consistent ../../gcc/gcc.c:8278:1: error: corrupted profile info: number of executions for edge 262-263 thought to be -24 ../../gcc/gcc.c:8278:1: error: corrupted profile info: number of executions for edge 262-1 thought to be 24 I had to workaround two (bogus) uninitialized warnings first, will post a patch for that.