// the name for possible debugging use.
func funcLayout(t *funcType, rcvr *abi.Type) (frametype *abi.Type, framePool *sync.Pool, abid abiDesc) {
	if t.Kind() != abi.Func {
		panic("reflect: funcLayout of non-func type " + stringFor(&t.Type))
	}
	if rcvr != nil && rcvr.Kind() == abi.Interface {
		panic("reflect: funcLayout with interface receiver " + stringFor(rcvr))
	}
	k := layoutKey{t, rcvr}