From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24895 invoked by alias); 20 Aug 2015 17:03:22 -0000 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 Received: (qmail 24878 invoked by uid 89); 20 Aug 2015 17:03:22 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.5 required=5.0 tests=AWL,BAYES_00,KAM_LAZY_DOMAIN_SECURITY,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=no version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Thu, 20 Aug 2015 17:03:21 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 4A64433D9AF; Thu, 20 Aug 2015 17:03:20 +0000 (UTC) Received: from localhost.localdomain (ovpn-113-201.phx2.redhat.com [10.3.113.201]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t7KH3J7G021075; Thu, 20 Aug 2015 13:03:19 -0400 Subject: Re: [PATCH] Fix middle-end/67133, part 1 To: Marek Polacek References: <20150814195836.GB2093@redhat.com> <55CE5054.5080400@redhat.com> <20150814204649.GC2093@redhat.com> <55D21A8D.50004@redhat.com> <20150818194918.GB2729@redhat.com> <20150820103758.GE2729@redhat.com> <55D60338.2080306@redhat.com> <20150820165145.GF2729@redhat.com> <20150820170001.GG2729@redhat.com> Cc: Andreas Schwab , Richard Biener , GCC Patches From: Jeff Law Message-ID: <55D60857.9000808@redhat.com> Date: Thu, 20 Aug 2015 17:11:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20150820170001.GG2729@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2015-08/txt/msg01235.txt.bz2 On 08/20/2015 11:00 AM, Marek Polacek wrote: > On Thu, Aug 20, 2015 at 06:51:45PM +0200, Marek Polacek wrote: >> and single_succ_p (bb) is not satisfied, so it must have more outgoing edges. >> Not sure how can that happen... > > Actually the problem seems to be that the BB ends with return but it has > *no* outgoing edges. But isn't that block removed -- it ought to be unreachable -- unless something didn't handle splitting the block after the trap. jeff