https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64139

            Bug ID: 64139
           Summary: ice in possible_polymorphic_call_targets, at
                    ipa-devirt.c:2410
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com

Created attachment 34155
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34155&action=edit
gzipped C++ source code

I just tried to compile the attached C++ code with the latest trunk
dated 20141130 on a Fedora Linux x86_64 box.

The compiler said

/home/dcb/rpmbuild/BUILD/spatialindex-src-1.8.1/src/mvrtree/MVRTree.cc:1360:1:
i
nternal compiler error: in possible_polymorphic_call_targets, at
ipa-devirt.c:24
10
 }
 ^
0xa47df4 possible_polymorphic_call_targets(tree_node*, long,
ipa_polymorphic_cal
l_context, bool*, void**, bool)
    ../../src/trunk/gcc/ipa-devirt.c:2410
0x17e4127 ipa_get_indirect_edge_target_1(cgraph_edge*, vec<tree_node*, va_heap, 
vl_ptr>, vec<ipa_polymorphic_call_context, va_heap, vl_ptr>,
vec<ipa_agg_jump_fu
nction*, va_heap, vl_ptr>, ipa_agg_replacement_value*, bool*)
    ../../src/trunk/gcc/ipa-cp.c:1872
0xa5ebbd estimate_edge_devirt_benefit(cgraph_edge*, int*, int*, vec<tree_node*, 
va_heap, vl_ptr>, vec<ipa_polymorphic_call_context, va_heap, vl_ptr>,
vec<ipa_ag
g_jump_function*, va_heap, vl_ptr>)
    ../../src/trunk/gcc/ipa-inline-analysis.c:2999
0xa5ebbd estimate_edge_size_and_time(cgraph_edge*, int*, int*, int*, int,
vec<tr
ee_node*, va_heap, vl_ptr>, vec<ipa_polymorphic_call_context, va_heap, vl_ptr>, 
vec<ipa_agg_jump_function*, va_heap, vl_ptr>, int*)
    ../../src/trunk/gcc/ipa-inline-analysis.c:3040
0xa5c7c4 estimate_calls_size_and_time(cgraph_node*, int*, int*, int*, int*,
unsi
gned int, vec<tree_node*, va_heap, vl_ptr>, vec<ipa_polymorphic_call_context,
va
_heap, vl_ptr>, vec<ipa_agg_jump_function*, va_heap, vl_ptr>)
    ../../src/trunk/gcc/ipa-inline-analysis.c:3099
0xa5ab25 estimate_node_size_and_time(cgraph_node*, unsigned int,
vec<tree_node*,
 va_heap, vl_ptr>, vec<ipa_polymorphic_call_context, va_heap, vl_ptr>,
vec<ipa_a
gg_jump_function*, va_heap, vl_ptr>, int*, int*, int*, int*,
vec<inline_param_su
mmary, va_heap, vl_ptr>)

Flag -O2 required.

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