From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-468487-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 20881 invoked by alias); 25 Nov 2014 09:50:07 -0000
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
Received: (qmail 20848 invoked by uid 48); 25 Nov 2014 09:50:04 -0000
From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/64068] New: [5 Regression] ICE: in remove_unreachable_nodes, at ipa.c:546
Date: Tue, 25 Nov 2014 09:50:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: trippels at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc attachments.created
Message-ID: <bug-64068-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2014-11/txt/msg02959.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64068

            Bug ID: 64068
           Summary: [5 Regression] ICE: in remove_unreachable_nodes, at
                    ipa.c:546
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org

Created attachment 34109
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34109&action=edit
Somewhat reduced testcase

Running the Boost testsuite shows:

 % g++ -c -O2 -std=c++11 -w rule4.ii
rule4.ii:1265:15: internal compiler error: in remove_unreachable_nodes, at
ipa.c:546
               }
               ^
0xaf1cbb symbol_table::remove_unreachable_nodes(bool, _IO_FILE*)
        ../../gcc/gcc/ipa.c:546
0x1272dbc ipa_inline
        ../../gcc/gcc/ipa-inline.c:2193
0x1272dbc execute
        ../../gcc/gcc/ipa-inline.c:2558
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.

Adding -fno-ipa-icf fixes the issue.