{"tcp", "::1", &TCPAddr{IP: IPv6loopback}, nil},
		{"tcp", "::1", &UDPAddr{}, &AddrError{Err: "some error"}},
		{"tcp", "::1", &UnixAddr{}, &AddrError{Err: "some error"}},
	}

	issue34264Index := -1
	if supportsIPv4map() {
		issue34264Index = len(tests)
		tests = append(tests, test{
			"tcp", "127.0.0.1", &TCPAddr{IP: ParseIP("::")}, nil,
		})
	} else {
		tests = append(tests, test{