https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81702
Bug ID: 81702
Summary: ICE in gimple_get_virt_method_for_vtable
Product: gcc
Version: 7.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: adam at os dot inf.tu-dresden.de
Target Milestone: ---
Created attachment 41918
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41918&action=edit
Code triggering the ICE
With the following reduced code I'm getting an ICE in gcc-7 and gcc-8. Only
happens with -O2.
$ g++
g++ (GCC) 7.1.1 20170803
$ g++ -c -O2 -std=gnu++11 t.i
t.i:107:33: internal compiler error: in gimple_get_virt_method_for_vtable, at
gimple-fold.c:6442
Resource_factory_t<Foo3, Foo> _x;
^
0x8c4684 gimple_get_virt_method_for_vtable(long, tree_node*, unsigned long,
bool*)
../../gcc/gcc/gimple-fold.c:6442
0x111c8c4 ipa_get_indirect_edge_target_1
../../gcc/gcc/ipa-cp.c:2411
0x93b054 estimate_edge_devirt_benefit
../../gcc/gcc/ipa-inline-analysis.c:3141
0x93b3cb estimate_edge_size_and_time
../../gcc/gcc/ipa-inline-analysis.c:3182
0x93b3cb estimate_calls_size_and_time
../../gcc/gcc/ipa-inline-analysis.c:3254
0x93b688 estimate_node_size_and_time
../../gcc/gcc/ipa-inline-analysis.c:3352
0x93ce03 do_estimate_edge_size(cgraph_edge*)
../../gcc/gcc/ipa-inline-analysis.c:3910
0x93d07f estimate_edge_size
../../gcc/gcc/ipa-inline.h:297
0x93d07f estimate_edge_growth
../../gcc/gcc/ipa-inline.h:308
0x93d07f do_estimate_growth_1
../../gcc/gcc/ipa-inline-analysis.c:4030
0x93d0c5 cgraph_node::call_for_symbol_and_aliases(bool (*)(cgraph_node*,
void*), void*, bool)
../../gcc/gcc/cgraph.h:3150
0x93d0c5 estimate_growth(cgraph_node*)
../../gcc/gcc/ipa-inline-analysis.c:4044
0x11359e9 inline_small_functions
../../gcc/gcc/ipa-inline.c:1764
0x11359e9 ipa_inline
../../gcc/gcc/ipa-inline.c:2434
0x11359e9 execute
../../gcc/gcc/ipa-inline.c:2845
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Adding code as attachment as reducing it more shows to be tricky.
