From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-288518-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 1609 invoked by alias); 10 Jul 2009 21:29:40 -0000
Received: (qmail 1517 invoked by uid 48); 10 Jul 2009 21:29:26 -0000
Date: Fri, 10 Jul 2009 21:29:00 -0000
Subject: [Bug middle-end/40716]  New: [4.5 Regression] ICE in purge_dead_edges, at cfgrtl.c:2323
X-Bugzilla-Reason: CC
Message-ID: <bug-40716-16926@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "d dot g dot gorbachev at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2009-07/txt/msg00899.txt.bz2

GCC 4.5.0 20090709. (IIRC, there was no such ICE when compiling with 20090702.)

gcc -S -O1 -finline-small-functions -foptimize-sibling-calls -march=i686 bug.c

bug.c:12:1: internal compiler error: in purge_dead_edges, at cfgrtl.c:2323

bug.c:
================================
extern int baz(void), zab(void);

char bar(void)
{
    int i = 1;
    return *(char *)&i;
}

void foo(void)
{
   (bar() ? baz : zab)();
}
================================


-- 
           Summary: [4.5 Regression] ICE in purge_dead_edges, at
                    cfgrtl.c:2323
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: d dot g dot gorbachev at gmail dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40716