default:
				panic("unknown dnsmessage type")
			}

			return r, nil
		},
	}

	r := &Resolver{PreferGo: true, Dial: fake.DialContext}

	methodTests := []string{"CNAME", "Host", "IP", "IPAddr", "MX", "NS", "NetIP", "SRV", "TXT"}
	query := func(t string, req string) error {
		switch t {
		case "CNAME":
			_, err := r.LookupCNAME(context.Background(), req)
			return err
		case "Host":

		return base, offset
	}
	p1, off1 := baseAndOffset(p1)
	p2, off2 := baseAndOffset(p2)
	if isSamePtr(p1, p2) {
		return !overlap(off1, n1, off2, n2)
	}
	// p1 and p2 are not the same, so if they are both OpAddrs then
	// they point to different variables.
	// If one pointer is on the stack and the other is an argument
	// then they can't overlap.
	switch p1.Op {
	case OpAddr, OpLocalAddr: