[Bug tree-optimization/46154] New: [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[Bug tree-optimization/46154] New: [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46154

           Summary: [4.6 Regression] ICE: failed to reclaim unneeded
                    function with -fipa-cp -fipa-cp-clone
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


Created attachment 22137
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22137
reduced testcase

Compiler output:
$ gcc -O -fipa-cp -fipa-cp-clone pr46154.C 
virtual int S::foo()/0(0) @0x7fb7f736a160 (asm: _ZN1S3fooEv)
availability:not_available 15 time, 13 benefit 6 size, 4 benefit reachable body
externally_visible finalized versionable
  called by: 
  calls: 
  References: 
  Refering this function: 
pr46154.C:14:1: internal compiler error: failed to reclaim unneeded function
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r165885 - crash
r165699 - crash
r163636 - OK

[Bug tree-optimization/46154] [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46154

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.10.24 13:30:31
                 CC|                            |hubicka at gcc dot gnu.org
   Target Milestone|---                         |4.6.0
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-24 13:30:31 UTC ---
It is caused by revision 164405:

http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00699.html

[Bug tree-optimization/46154] [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46154

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1

[Bug tree-optimization/46154] [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46154

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-04 13:55:46 UTC ---
Author: rguenth
Date: Thu Nov  4 13:55:44 2010
New Revision: 166311

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166311
Log:
2010-11-03  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/46154
    * g++.dg/torture/pr46154.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr46154.C
Modified:
    trunk/gcc/testsuite/ChangeLog

[Bug tree-optimization/46154] [4.6 Regression] ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46154

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-04 13:55:58 UTC ---
Seems to be fixed.