return gList{}, 0
	}

	var entries [64]overlappedEntry
	var wait uint32
	var toRun gList
	mp := getg().m

	if delay >= 1e15 {
		// An arbitrary cap on how long to wait for a timer.
		// 1e15 ns == ~11.5 days.
		delay = 1e15
	}

	if delay > 0 && mp.waitIocpHandle != 0 {
		// GetQueuedCompletionStatusEx doesn't use a high resolution timer internally,

// Issue #43480: ICE on large uint64 constants in switch cases.

package main

func isPow10(x uint64) bool {
	switch x {
	case 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
		1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19:
		return true
	}
	return false
}

func main() {
	var x uint64 = 1

	for {
		if !isPow10(x) || isPow10(x-1) || isPow10(x+1) {
			panic(x)
		}

package math

// pow10tab stores the pre-computed values 10**i for i < 32.
var pow10tab = [...]float64{
	1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
	1e20, 1e21, 1e22, 1e23, 1e24, 1e25, 1e26, 1e27, 1e28, 1e29,
	1e30, 1e31,
}

// pow10postab32 stores the pre-computed value for 10**(i*32) at index i.
var pow10postab32 = [...]float64{

	}
	return bits, overflow
}

// Exact powers of 10.
var float64pow10 = []float64{
	1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
	1e20, 1e21, 1e22,
}
var float32pow10 = []float32{1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10}

// If possible to convert decimal representation to 64-bit float f exactly,

	var waitms int32
	if delay < 0 {
		waitms = -1
	} else if delay == 0 {
		waitms = 0
	} else if delay < 1e6 {
		waitms = 1
	} else if delay < 1e15 {
		waitms = int32(delay / 1e6)
	} else {
		// An arbitrary cap on how long to wait for a timer.
		// 1e9 ms == ~11.5 days.
		waitms = 1e9
	}
	var events [128]syscall.EpollEvent
retry:
	n, errno := syscall.EpollWait(epfd, events[:], int32(len(events)), waitms)

	} else if delay == 0 {
		// TODO: call poll with timeout == 0
		return gList{}, 0
	} else if delay < 1e6 {
		timeout = 1
	} else if delay < 1e15 {
		timeout = uintptr(delay / 1e6)
	} else {
		// An arbitrary cap on how long to wait for a timer.
		// 1e9 ms == ~11.5 days.
		timeout = 1e9
	}
retry:
	lock(&mtxpoll)
	lock(&mtxset)
	pendingUpdates = 0
	unlock(&mtxpoll)

	}
}

func TestValueTime(t *testing.T) {
	// Validate that all representations of times work correctly.
	for _, tm := range []time.Time{
		time.Time{},
		time.Unix(0, 1e15), // UnixNanos is defined
		time.Date(2300, 1, 1, 0, 0, 0, 0, time.UTC), // overflows UnixNanos
	} {
		got := TimeValue(tm).Time()
		if !got.Equal(tm) {
			t.Errorf("got %s (%#[1]v), want %s (%#[2]v)", got, tm)
		}

		{"GCU", []string{"gcu"}, 1},
		{"k*GCU", []string{"kilogcu"}, 1e3},
		{"M*GCU", []string{"megagcu"}, 1e6},
		{"G*GCU", []string{"gigagcu"}, 1e9},
		{"T*GCU", []string{"teragcu"}, 1e12},
		{"P*GCU", []string{"petagcu"}, 1e15},
	},
	DefaultUnit: Unit{"GCU", []string{}, 1.0},

	// Proceed to the requested number of digits
	formatDecimal(d, di, !d0, roundUp, prec)
	// Adjust exponent
	d.dp -= q
}

var uint64pow10 = [...]uint64{
	1, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
}

// formatDecimal fills d with at most prec decimal digits
// of mantissa m. The boolean trunc indicates whether m

	{0x0000000000000000, 0x9502F90000000000}, // 1e10
	{0x0000000000000000, 0xBA43B74000000000}, // 1e11
	{0x0000000000000000, 0xE8D4A51000000000}, // 1e12
	{0x0000000000000000, 0x9184E72A00000000}, // 1e13
	{0x0000000000000000, 0xB5E620F480000000}, // 1e14
	{0x0000000000000000, 0xE35FA931A0000000}, // 1e15
	{0x0000000000000000, 0x8E1BC9BF04000000}, // 1e16
	{0x0000000000000000, 0xB1A2BC2EC5000000}, // 1e17