cum += n.Cum
	}
	return
}

func (n *Node) addSample(dw, w int64, labels string, numLabel map[string][]int64, numUnit map[string][]string, format func(int64, string) string, flat bool) {
	// Update sample value
	if flat {
		n.FlatDiv += dw
		n.Flat += w
	} else {
		n.CumDiv += dw
		n.Cum += w
	}

	// Add string tags
	if labels != "" {
		t := n.LabelTags.findOrAddTag(labels, "", 0)
		if flat {

		{[]string{"127.0.0.1"}, []string{}, "", true, instant},
		{[]string{"::1"}, []string{}, "", true, instant},
		{[]string{"127.0.0.1", "::1"}, []string{slowDst6}, "tcp6", true, instant},
		{[]string{"::1", "127.0.0.1"}, []string{slowDst4}, "tcp4", true, instant},
		// Primary is slow; fallback should kick in.
		{[]string{slowDst4}, []string{"::1"}, "", true, fallbackDelay},
		// Skip a "connection refused" in the primary thread.

	// there are programs that test for the exact error string.
	// Verify that string here so that we don't break those
	// programs unexpectedly. See issues #4373 and #19252.
	want := "use of closed network connection"
	if !isShutdown && !strings.Contains(nestedErr.Error(), want) {
		return fmt.Errorf("error string %q does not contain expected string %q", nestedErr, want)
	}

}

const (
	mapslow = iota
	mapfast32
	mapfast32ptr
	mapfast64
	mapfast64ptr
	mapfaststr
	nmapfast
)

type mapnames [nmapfast]string

func mkmapnames(base string, ptr string) mapnames {
	return mapnames{base, base + "_fast32", base + "_fast32" + ptr, base + "_fast64", base + "_fast64" + ptr, base + "_faststr"}
}

var mapaccess1 = mkmapnames("mapaccess1", "")

func (t *Translator) OverlayK8sSettings(yml string, iop *v1alpha1.IstioOperatorSpec, componentName name.ComponentName,
	resourceName string, index int) (string, error,
) {
	// om is a map of kind:name string to Object ptr.
	// This is lazy loaded to avoid parsing when there are no overlays
	var om map[string]*object.K8sObject
	var objects object.K8sObjects

	{
		natFromString(strings.Repeat("1", 70000)),
		natFromString("1" + strings.Repeat(strings.Repeat("0", 699)+"1", 99)),
		natFromString(strings.Repeat("1", 700)),
	},
	// z = 111....1 (20000 digits)
	// x = 10^10000 + 1
	// y = 111....1 (10000 digits)
	{
		natFromString(strings.Repeat("1", 20000)),
		natFromString("1" + strings.Repeat("0", 9999) + "1"),
		natFromString(strings.Repeat("1", 10000)),

	}

	if buf.String() != bar {
		t.Errorf("got %q, want %q", buf.String(), bar)
	}
}

func TestIssue11151(t *testing.T) {
	const src = "package p\t/*\r/1\r*\r/2*\r\r\r\r/3*\r\r+\r\r/4*/\n"
	fset := token.NewFileSet()
	f, err := parser.ParseFile(fset, "", src, parser.ParseComments)
	if err != nil {
		t.Fatal(err)
	}

	var buf bytes.Buffer
	Fprint(&buf, fset, f)
	got := buf.String()

// (assuming the plural of what is whats).
func count(n int, what string) string {
	if n == 1 {
		return "1 " + what
	}
	return fmt.Sprintf("%d %ss", n, what)
}

// stringSet is a set-of-nonempty-strings-valued flag.
// Note: elements without a '.' get lower-cased.
type stringSet map[string]bool

func (ss stringSet) String() string {
	var list []string
	for name := range ss {
		list = append(list, name)

//
// For explicit conversions, t must be non-nil, and integer-to-string
// conversions are allowed.
//
// For implicit conversions (e.g., assignments), t may be nil; if so,
// n is converted to its default type.
//
// If there's an error converting n to t, context is used in the error
// message.
func convlit1(n ir.Node, t *types.Type, explicit bool, context func() string) ir.Node {
	if explicit && t == nil {

	}

	c, err := ListenPacket("udp", "127.0.0.1:0")
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()

	testWriteToConn(t, c.LocalAddr().String())
	testWriteToPacketConn(t, c.LocalAddr().String())
}

func testWriteToConn(t *testing.T, raddr string) {
	c, err := Dial("udp", raddr)
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()

	ra, err := ResolveUDPAddr("udp", raddr)
	if err != nil {