From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25806 invoked by alias); 7 Aug 2010 10:44:16 -0000 Received: (qmail 25691 invoked by uid 48); 7 Aug 2010 10:44:03 -0000 Date: Sat, 07 Aug 2010 10:44:00 -0000 Message-ID: <20100807104403.25690.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2010-08/txt/msg00508.txt.bz2 ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-08-07 10:44 ------- Confirmed. (gdb) call debug_gimple_stmt ($1) .MEM_15 = PHI <.MEM_19 Program received signal SIGSEGV, Segmentation fault. 0x08384621 in gimple_phi_arg_edge (gs=0xb77611b0, i=0) at /home/richard/src/trunk/gcc/tree-flow-inline.h:479 479 return EDGE_PRED (gimple_bb (gs), i); Immediate uses are hosed before DSE. And partial inlining is the cause. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-08-07 10:44:03 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219