vm_yield_with_cref   16 vm_eval.c      static inline VALUE vm_yield_with_cref(rb_thread_t *th, int argc, const VALUE *argv, const NODE *cref);
vm_yield_with_cref  921 vm_eval.c      	return vm_yield_with_cref(th, 0, 0, cref);
vm_yield_with_cref  924 vm_eval.c      	return vm_yield_with_cref(th, RARRAY_LEN(values), RARRAY_PTR(values), cref);