r := 0

	// here v2 and v3 can be overlapped.
	clobber()
	if i < 101 {
		var v2 Vanilla
		v2.x[i] = j
		r += v2.x[j]
	}
	if j != 303 {
		var v3 Vanilla2
		v3.x[i] = j
		r += v3.x[j]
	}
	clobber()

	// not an overlap candidate (only one var of this size).
	var s Single
	s.x[i] = j
	r += s.x[j]

	// Here p1 and p2 interfere, but p1 could be overlapped with xp3 + xp4.
	var p1, p2 Pointery

	return
}

func LockFileEx(file syscall.Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) {
	r1, _, e1 := syscall.Syscall6(procLockFileEx.Addr(), 6, uintptr(file), uintptr(flags), uintptr(reserved), uintptr(bytesLow), uintptr(bytesHigh), uintptr(unsafe.Pointer(overlapped)))
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

)

const _DWORD_MAX = 0xffffffff

const _INVALID_HANDLE_VALUE = ^uintptr(0)

// Sources are used to identify the event that created an overlapped entry.
// The source values are arbitrary. There is no risk of collision with user
// defined values because the only way to set the key of an overlapped entry
// is using the iocphandle, which is not accessible to user code.
const (
	netpollSourceReady = iota + 1
	netpollSourceBreak

	syscall.Syscall(procClosePseudoConsole.Addr(), 1, uintptr(console), 0, 0)
	return
}

func ConnectNamedPipe(pipe Handle, overlapped *Overlapped) (err error) {
	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(overlapped)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func CreateDirectory(path *uint16, sa *SecurityAttributes) (err error) {

	exceptioncode        uint32
	exceptionflags       uint32
	exceptionrecord      *exceptionrecord
	exceptionaddress     uintptr
	numberparameters     uint32
	exceptioninformation [15]uintptr
}

type overlapped struct {
	internal     uintptr
	internalhigh uintptr
	anon0        [8]byte
	hevent       *byte
}

type memoryBasicInformation struct {
	baseAddress       uintptr
	allocationBase    uintptr

	}

	err := lockFileEx(fd, flags, 1, 0, &syscall.Overlapped{})
	if err == nil || err == errLockViolation {
		return nil
	}
	if err.Error() == "The process cannot access the file because another process has locked a portion of the file." {
		return ErrAlreadyLocked
	}
	return err
}

func lockFileEx(h syscall.Handle, flags, locklow, lockhigh uint32, ol *syscall.Overlapped) (err error) {
	reserved := uint32(0)

	// There are two implementations of move algorithm.
	// The first one for non-overlapped memory regions. It uses forward copying.
	// The second one for overlapped regions. It uses backward copying
	MOVQ	DI, CX
	SUBQ	SI, CX
	// Now CX contains distance between SRC and DEST
	CMPQ	CX, BX
	// If the distance lesser than region length it means that regions are overlapped
	JC	copy_backward

	// Non-temporal copy would be better for big sizes.

	// variables, all of them legal. Rather than locking down
	// a specific set of overlappings or frame offsets, this
	// tests just verifies that there is a decent-sized clump of 4+ vars that
	// get overlapped.
	//
	// The expected output blob we're interested might look like
	// this (for amd64):
	//
	// =-= stack layout for ABC:
	// 2: "p1" frameoff -8200 ...
	// 3: "s" frameoff -8200 ...

// MergeSpecs aggregates all OpenAPI specs, reusing the metadata of the first, static spec as the basis.
// The static spec has the highest priority, and its paths and definitions won't get overlapped by
// user-defined CRDs. None of the input is mutated, but input and output share data structures.
func MergeSpecs(staticSpec *spec.Swagger, crdSpecs ...*spec.Swagger) (*spec.Swagger, error) {

	disablePlugins := sets.NewString(a.DisablePlugins...)
	if len(enablePlugins.Intersection(disablePlugins).List()) > 0 {
		errs = append(errs, fmt.Errorf("%v in enable-admission-plugins and disable-admission-plugins "+
			"overlapped", enablePlugins.Intersection(disablePlugins).List()))
	}

	// Verify RecommendedPluginOrder.
	recommendPlugins := sets.NewString(a.RecommendedPluginOrder...)