id_core_hash_merge_ary 2987 compile.c      			    ADD_SEND(ret, line, id_core_hash_merge_ary, INT2FIX(1));
id_core_hash_merge_ary  127 id.c               REGISTER_SYMID(id_core_hash_merge_ary, "core#hash_merge_ary");
id_core_hash_merge_ary 2690 vm.c               rb_define_method_id(klass, id_core_hash_merge_ary, m_core_hash_merge_ary, 2);