From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8534 invoked by alias); 27 Nov 2012 14:25:33 -0000 Received: (qmail 8510 invoked by uid 22791); 27 Nov 2012 14:25:31 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from nef2.ens.fr (HELO nef2.ens.fr) (129.199.96.40) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 27 Nov 2012 14:25:22 +0000 Received: from mailhost.lps.ens.fr (tournesol.lps.ens.fr [129.199.120.1]) by nef2.ens.fr (8.13.6/1.01.28121999) with ESMTP id qAREPIfL057525 ; Tue, 27 Nov 2012 15:25:18 +0100 (CET) X-Envelope-To: gcc-patches@gcc.gnu.org Received: from localhost (localhost [127.0.0.1]) by mailhost.lps.ens.fr (Postfix) with ESMTP id 3DACF3BAB9; Tue, 27 Nov 2012 15:25:18 +0100 (CET) Received: from mailhost.lps.ens.fr ([127.0.0.1]) by localhost (tournesol.lps.ens.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lFNF-brFGv43; Tue, 27 Nov 2012 15:25:18 +0100 (CET) Received: by mailhost.lps.ens.fr (Postfix, from userid 8513) id 2BF4C3BABA; Tue, 27 Nov 2012 15:25:18 +0100 (CET) Date: Tue, 27 Nov 2012 14:25:00 -0000 To: stevenb.gcc@gmail.com, ebotcazou@adacore.com Cc: rth@redhat.com, law@redhat.com, hubicka@ucw.cz, gcc-patches@gcc.gnu.org, dominiq@lps.ens.fr, bonzini@gnu.org Subject: Re: Fix twolf -funroll-loops -O3 miscompilation (a semi-latent web.c bug) References: <20121118231540.726263BABA@mailhost.lps.ens.fr> <38690302.TaVonSBHVs@polaris> In-Reply-To: User-Agent: Heirloom mailx 12.4 7/29/08 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20121127142518.2BF4C3BABA@mailhost.lps.ens.fr> From: dominiq@lps.ens.fr (Dominique Dhumieres) Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2012-11/txt/msg02218.txt.bz2 > And more band-aid, ... The gcc_assert triggers at bootstrap when compiling gcc/ada/ali.adb: +===========================GNAT BUG DETECTED==============================+ | 4.8.0 20121127 (experimental) [trunk revision 193848p10] (x86_64-apple-darwin10.8.0) GCC error:| | in df_remove_dead_eq_notes, at df-problems.c:2917 | | Error detected around ../../work/gcc/ada/ali.adb:2682:8 | | Please submit a bug report; see http://gcc.gnu.org/bugs.html. | | Use a subject line meaningful to you and us to track the bug. | | Include the entire contents of this bug box in the report. | | Include the exact gcc or gnatmake command that you entered. | | Also include sources listed below in gnatchop format | | (concatenated together with no headers between files). | +==========================================================================+ Dominique