func (x *Bool) Swap(new bool) (old bool) { return SwapUint32(&x.v, b32(new)) != 0 }

// CompareAndSwap executes the compare-and-swap operation for the boolean value x.
func (x *Bool) CompareAndSwap(old, new bool) (swapped bool) {
	return CompareAndSwapUint32(&x.v, b32(old), b32(new))
}

// b32 returns a uint32 0 or 1 representing b.
func b32(b bool) uint32 {
	if b {
		return 1
	}
	return 0
}

func CompareAndSwapInt32(addr *int32, old, new int32) (swapped bool)

// CompareAndSwapInt64 executes the compare-and-swap operation for an int64 value.
// Consider using the more ergonomic and less error-prone [Int64.CompareAndSwap] instead
// (particularly if you target 32-bit platforms; see the bugs section).
func CompareAndSwapInt64(addr *int64, old, new int64) (swapped bool)

		x.i = val
		if !CompareAndSwapInt32(&x.i, val, val+1) {
			t.Fatalf("should have swapped %#x %#x", val, val+1)
		}
		if x.i != val+1 {
			t.Fatalf("wrong x.i after swap: x.i=%#x val+1=%#x", x.i, val+1)
		}
		x.i = val + 1
		if CompareAndSwapInt32(&x.i, val, val+2) {
			t.Fatalf("should not have swapped %#x %#x", val, val+2)
		}
		if x.i != val+1 {

// this struct corresponds to one used when Signo is SIGCHLD.
//
// NOTE fields are exported to be used by TestSiginfoChildLayout.
type SiginfoChild struct {
	Signo       int32
	siErrnoCode                // Two int32 fields, swapped on MIPS.
	_           [is64bit]int32 // Extra padding for 64-bit hosts only.

	// End of common part. Beginning of signal-specific part.

	Pid    int32
	Uid    uint32
	Status int32

	// Pad to 128 bytes.

func (m *Map) CompareAndSwap(key, old, new any) (swapped bool) {
	read := m.loadReadOnly()
	if e, ok := read.m[key]; ok {
		return e.tryCompareAndSwap(old, new)
	} else if !read.amended {
		return false // No existing value for key.
	}

	m.mu.Lock()
	defer m.mu.Unlock()
	read = m.loadReadOnly()
	swapped = false
	if e, ok := read.m[key]; ok {
		swapped = e.tryCompareAndSwap(old, new)

	if v := unsafe.Sizeof(si); v != 128 {
		t.Fatalf("sizeof: got %d, want 128", v)
	}

	ofSigno := 0
	ofErrno := 4
	ofCode := 8
	if strings.HasPrefix(runtime.GOARCH, "mips") {
		// These two fields are swapped on MIPS platforms.
		ofErrno, ofCode = ofCode, ofErrno
	}
	ofPid := 12
	if host64bit {
		ofPid = 16
	}
	ofUid := ofPid + 4
	ofStatus := ofPid + 8

	offsets := []struct {
		name string

//go:linkname abigen_sync_atomic_CompareAndSwapInt64 sync/atomic.CompareAndSwapInt64
func abigen_sync_atomic_CompareAndSwapInt64(addr *int64, old, new int64) (swapped bool)

//go:linkname abigen_sync_atomic_CompareAndSwapUint32 sync/atomic.CompareAndSwapUint32
func abigen_sync_atomic_CompareAndSwapUint32(addr *uint32, old, new uint32) (swapped bool)

//go:nosplit
func Xchg64(addr *uint64, new uint64) (old uint64) {
	lockAndCheck(addr)

	old = *addr
	*addr = new

	unlock()
	return
}

//go:nosplit
func Cas64(addr *uint64, old, new uint64) (swapped bool) {
	lockAndCheck(addr)

	if (*addr) == old {
		*addr = new
		unlock()
		return true
	}

	unlock()
	return false
}

//go:nosplit
func Load64(addr *uint64) (val uint64) {

	// dynamicTransformers updates the transformers when encryption config file changes.
	dynamicTransformers *encryptionconfig.DynamicTransformers

	// identity of the api server
	apiServerID string

	// can be swapped during testing
	getEncryptionConfigHash func(ctx context.Context, filepath string) (string, error)

					},
					{
						Hostname: ptr.To("hostname-1b"),
						NodeName: ptr.To("node-1"),
					},
				},
			},
		},
		{
			name:      "v1 request, updated endpoints with topology node names swapped",
			v1Request: true,
			originalEPS: &discovery.EndpointSlice{
				Endpoints: []discovery.Endpoint{
					{
						Hostname:           ptr.To("hostname-1"),