From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8001 invoked by alias); 16 Sep 2004 13:12:16 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 7982 invoked by uid 48); 16 Sep 2004 13:12:14 -0000 Date: Thu, 16 Sep 2004 13:12:00 -0000 Message-ID: <20040916131214.7981.qmail@sourceware.org> From: "amacleod at redhat dot com" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040916101717.17517.steven@gcc.gnu.org> References: <20040916101717.17517.steven@gcc.gnu.org> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/17517] [4.0 Regression] ICE: SSA corruption X-Bugzilla-Reason: CC X-SW-Source: 2004-09/txt/msg01878.txt.bz2 List-Id: ------- Additional Comments From amacleod at redhat dot com 2004-09-16 13:12 ------- a followon issue with copyrename. if we have an abnormal PHI: a_6 = and somewhere else we have p_9 = a_2 <...> a_3 = a_2 we coalesce p_9 and a_2 because there is no reason not to. a_3 and a_2 are automatically coalesced since they hgave the same root. now we have p_9 propgated into the abnormal PHI, and boom. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-09-16 13:12:10 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17517