lto1: internal compiler error: Segmentation fault
0xa4432f crash_signal
	../../gcc/gcc/toplev.c:334
0x90f748 lto_get_decl_name_mapping(lto_file_decl_data*, char const*)
	../../gcc/gcc/lto-section-in.c:352
0x690659 cgraph_node::get_untransformed_body()
	../../gcc/gcc/cgraph.c:3256
0x69aa45 cgraph_node::expand_thunk(bool, bool)
	../../gcc/gcc/cgraphunit.c:1604
0x69bd92 cgraph_node::assemble_thunks_and_aliases()
	../../gcc/gcc/cgraphunit.c:1904
0x69bd65 cgraph_node::assemble_thunks_and_aliases()
	../../gcc/gcc/cgraphunit.c:1922
0x69bfaf cgraph_node::expand()
	../../gcc/gcc/cgraphunit.c:2034
0x69d826 expand_all_functions
	../../gcc/gcc/cgraphunit.c:2107
0x69d826 symbol_table::compile()
	../../gcc/gcc/cgraphunit.c:2463
0x60cc87 lto_main()
	../../gcc/gcc/lto/lto.c:3327