pinner.Pin(p)
	runtime.CgoCheckPointer(p2, true)
	pinner.Unpin()
}

func TestPinnerEmptyUnpin(t *testing.T) {
	var pinner runtime.Pinner
	pinner.Unpin()
	pinner.Unpin()
}

func TestPinnerLeakPanics(t *testing.T) {
	old := runtime.GetPinnerLeakPanic()
	func() {
		defer assertDidPanic(t)
		old()
	}()
	done := make(chan struct{})
	runtime.SetPinnerLeakPanic(func() {
		done <- struct{}{}
	})