rb_method_for_self_aset   23 struct.c       const rb_iseq_t *rb_method_for_self_aset(VALUE name, VALUE arg, rb_insn_func_t func);
rb_method_for_self_aset  292 struct.c           const rb_iseq_t *iseq = rb_method_for_self_aset(name, off, rb_vm_opt_struct_aset);