[Bug c++/58252] New: ice in gimple_get_virt_method_for_binfo with -O2

["dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58252

            Bug ID: 58252
           Summary: ice in gimple_get_virt_method_for_binfo with -O2
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com

Created attachment 30705
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30705&action=edit
gzipped C++ source code

I just tried to compile package omniORB-4.1.6-5.fc20 with gcc 4.9 trunk dated
20130826. It said

In file included from irstub.cc:37:0:
../omniORB4/irSK.cc:13580:59: internal compiler error: in
gimple_get_virt_method_for_binfo, at gimple-fold.c:3142
 POA_CORBA::AbstractInterfaceDef::~AbstractInterfaceDef() {}
                                                           ^
0x92e140 gimple_get_virt_method_for_binfo(long, tree_node*)
    ../../src/trunk/gcc/gimple-fold.c:3141
0x96aed4 record_binfo
    ../../src/trunk/gcc/ipa-devirt.c:439
0x96ae72 record_binfo
    ../../src/trunk/gcc/ipa-devirt.c:454
0x96ae72 record_binfo
    ../../src/trunk/gcc/ipa-devirt.c:454
0x96b0e4 possible_polymorphic_call_targets_1
    ../../src/trunk/gcc/ipa-devirt.c:474
0x96b123 possible_polymorphic_call_targets_1
    ../../src/trunk/gcc/ipa-devirt.c:480
0x96c098 possible_polymorphic_call_targets(tree_node*, long, bool*, void**)
    ../../src/trunk/gcc/ipa-devirt.c:652
0x7de330 possible_polymorphic_call_targets
    ../../src/trunk/gcc/ipa-utils.h:82
0x7de330 analyze_functions
    ../../src/trunk/gcc/cgraphunit.c:936
0x7dfa85 finalize_compilation_unit()
    ../../src/trunk/gcc/cgraphunit.c:2200
0x5f3900 cp_write_global_declarations()
    ../../src/trunk/gcc/cp/decl2.c:4364
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.

Preprocessed source code attached. Flag -O2 required.