func impl_Futimes(fd int, tv []Timeval) (err error) {
	var _p0 unsafe.Pointer
	if len(tv) > 0 {
		_p0 = unsafe.Pointer(&tv[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}
	runtime.EnterSyscall()
	r0, e2, e1 := CallLeFuncWithErr(GetZosLibVec()+SYS_FUTIMES<<4, uintptr(fd), uintptr(_p0), uintptr(len(tv)))
	runtime.ExitSyscall()
	if int64(r0) == -1 {

}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type sigactiont struct {
	sa_handler  uintptr
	sa_flags    uint64
	sa_restorer uintptr
	sa_mask     uint64
}

type siginfoFields struct {

			}
		}
		if want != nil && !Identical(tv.Type, want) {
			t.Errorf("got %s; want %s", tv.Type, want)
		}
	}
}

func TestIssue6413(t *testing.T) {
	src := `
package p
func f() int {
	defer f()
	go f()
	return 0
}
`
	types := make(map[syntax.Expr]TypeAndValue)
	mustTypecheck(src, nil, &Info{Types: types})

	want := Typ[Int]
	n := 0
	for x, tv := range types {

func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int32
	_       [4]byte // EABI
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type mcontextt struct {
	__gregs [35]uint64
	__fregs [4160]byte // _NFREG * 128 + 32 + 32

	}
	return string(buf[:n]), nil
}

//sys	utimes(path string, times *[2]Timeval) (err error)

func Utimes(path string, tv []Timeval) (err error) {
	if tv == nil {
		return utimes(path, nil)
	}
	if len(tv) != 2 {
		return EINVAL
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

//sys	utimensat(fd int, path string, times *[2]Timespec, flag int) (err error)

	s := ""
	for i := 0; i < len(r); i++ {
		rdn := r[len(r)-1-i]
		if i > 0 {
			s += ","
		}
		for j, tv := range rdn {
			if j > 0 {
				s += "+"
			}

			oidString := tv.Type.String()
			typeName, ok := attributeTypeNames[oidString]
			if !ok {
				derBytes, err := asn1.Marshal(tv.Value)
				if err == nil {
					s += oidString + "=#" + hex.EncodeToString(derBytes)
					continue // No value escaping necessary.

	si_addr   uint64
	si_value  [8]byte
	si_band   int64
	__pad     [7]uint64
}

type timeval struct {
	tv_sec    int64
	tv_usec   int32
	pad_cgo_0 [4]byte
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit

	uc_mcontext sigcontext
	uc_sigmask  uint32
	__unused    [31]int32
	uc_regspace [128]uint32
}

type timeval struct {
	tv_sec  int32
	tv_usec int32
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerspec struct {
	it_interval timespec
	it_value    timespec
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec    int64
	tv_usec   int32
	pad_cgo_0 [4]byte
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type stackt struct {
	ss_sp     uintptr
	ss_size   uintptr
	ss_flags  int32

// Invented values to support what package os expects.
type Timeval struct {
	Sec  int32
	Usec int32
}

func (tv *Timeval) Nanoseconds() int64 {
	return (int64(tv.Sec)*1e6 + int64(tv.Usec)) * 1e3
}

func NsecToTimeval(nsec int64) (tv Timeval) {
	tv.Sec = int32(nsec / 1e9)
	tv.Usec = int32(nsec % 1e9 / 1e3)
	return
}

type SecurityAttributes struct {
	Length             uint32