From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-242499-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 8256 invoked by alias); 25 Jan 2008 07:51:24 -0000
Received: (qmail 8138 invoked by uid 48); 25 Jan 2008 07:50:42 -0000
Date: Fri, 25 Jan 2008 08:53:00 -0000
Subject: [Bug middle-end/34969]  New: [4.3 regression] ICE with -fipa-cp -ffast-math
X-Bugzilla-Reason: CC
Message-ID: <bug-34969-1771@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "reichelt at gcc dot gnu dot org" <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: 2008-01/txt/msg02999.txt.bz2

The following valid testcase triggers an ICE on mainline when compiled with
"gcc -O -fipa-cp -ffast-math":

===========================================
double foo(double x) { return x*x; }
double bar()         { return foo(0); }
===========================================

bug.c:2: error: edge double T.0(double)->double __builtin_pow(double, double)
has no corresponding call_stmt
bug.c:2: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]

Note the bug in the bug: verify_cgraph_node manages to print the first part of
the internal error, but crashes before "verify_cgraph_node failed" can be
printed.


-- 
           Summary: [4.3 regression] ICE with -fipa-cp -ffast-math
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, monitored
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34969