//     are suffixes reserved for scheduling resources.
//
// NOTE: If you add an event type, make sure you also update all
// tables in this file!
type traceEv uint8

const (
	traceEvNone traceEv = iota // unused

	// Structural events.
	traceEvEventBatch // start of per-M batch of events [generation, M ID, timestamp, batch length]
	traceEvStacks     // start of a section of the stack table [...traceEvStack]

// fuseLate runs fuse(f, fuseTypePlain|fuseTypeIf|fuseTypeBranchRedirect).
func fuseLate(f *Func) { fuse(f, fuseTypePlain|fuseTypeIf|fuseTypeBranchRedirect) }

type fuseType uint8

const (
	fuseTypePlain fuseType = 1 << iota
	fuseTypeIf
	fuseTypeIntInRange
	fuseTypeBranchRedirect
	fuseTypeShortCircuit
)

// fuse simplifies control flow by joining basic blocks.
func fuse(f *Func, typ fuseType) {
	for changed := true; changed; {

	"errors"
	"fmt"
	"io"
)

// Order specifies the bit ordering in an LZW data stream.
type Order int

const (
	// LSB means Least Significant Bits first, as used in the GIF file format.
	LSB Order = iota
	// MSB means Most Significant Bits first, as used in the TIFF and PDF
	// file formats.
	MSB
)

const (
	maxWidth           = 12
	decoderInvalidCode = 0xffff
	flushBuffer        = 1 << maxWidth
)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Simple conversions to avoid depending on strconv.

package itoa

// Itoa converts val to a decimal string.
func Itoa(val int) string {
	if val < 0 {
		return "-" + Uitoa(uint(-val))
	}
	return Uitoa(uint(val))
}

// Uitoa converts val to a decimal string.
func Uitoa(val uint) string {

	if fastSmalls && 0 <= i && i < nSmalls && base == 10 {
		return small(int(i))
	}
	_, s := formatBits(nil, uint64(i), base, i < 0, false)
	return s
}

// Itoa is equivalent to [FormatInt](int64(i), 10).
func Itoa(i int) string {
	return FormatInt(int64(i), 10)
}

// AppendInt appends the string form of the integer i,
// as generated by [FormatInt], to dst and returns the extended buffer.

	// Hence, we construct the name from the offset.
	z.name = "UTC"
	if offset < 0 {
		z.name += "-"
		offset *= -1
	} else {
		z.name += "+"
	}
	z.name += itoa.Itoa(offset / 60)
	min := offset % 60
	if min != 0 {
		z.name += ":" + itoa.Itoa(min)
	}
	localLoc.zone = []zone{z}

func BenchmarkItoa(b *testing.B) {
	dst := make([]byte, 0, 64)
	for i := 0; i < b.N; i++ {
		dst = dst[0:0]
		itoa(&dst, 2015, 4)   // year
		itoa(&dst, 1, 2)      // month
		itoa(&dst, 30, 2)     // day
		itoa(&dst, 12, 2)     // hour
		itoa(&dst, 56, 2)     // minute
		itoa(&dst, 0, 2)      // second
		itoa(&dst, 987654, 6) // microsecond
	}
}

func BenchmarkPrintln(b *testing.B) {
	const testString = "test"

	os.Setenv("GODEBUG", fmt.Sprintf("%s,fuzzseed=123", origEnv))
	m := newMutator()

	for _, size := range []int{
		1,
		10,
		100,
		1000,
		10000,
		100000,
	} {
		b.Run(strconv.Itoa(size), func(b *testing.B) {
			buf := make([]byte, size)
			b.ResetTimer()

			for i := 0; i < b.N; i++ {
				// resize buffer to the correct shape and reset the PCG
				buf = buf[0:size]
				m.r = newPcgRand()

	ip := ParseIP(addr)
	if ip == nil {
		return "", &DNSError{Err: "unrecognized address", Name: addr}
	}
	if ip.To4() != nil {
		return itoa.Uitoa(uint(ip[15])) + "." + itoa.Uitoa(uint(ip[14])) + "." + itoa.Uitoa(uint(ip[13])) + "." + itoa.Uitoa(uint(ip[12])) + ".in-addr.arpa.", nil
	}
	// Must be IPv6
	buf := make([]byte, 0, len(ip)*4+len("ip6.arpa."))
	// Add it, in reverse, to the buffer

	"strconv"
	"testing"
)

func TestMapping(t *testing.T) {
	var m mapping[int, string]
	for i := 0; i < maxSlice; i++ {
		m.add(i, strconv.Itoa(i))
	}
	if m.m != nil {
		t.Fatal("m.m != nil")
	}
	for i := 0; i < maxSlice; i++ {
		g, _ := m.find(i)
		w := strconv.Itoa(i)
		if g != w {
			t.Fatalf("%d: got %s, want %s", i, g, w)
		}
	}
	m.add(4, "4")
	if m.s != nil {
		t.Fatal("m.s != nil")
	}