http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47183
--- Comment #2 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> 2011-01-05 22:13:55 UTC --- It's operator delete(void*). Also, typeinfo for S, typeinfo name for S, vtable for __cxxabiv1::__class_type_info are unused, too.