}

// gcwaitfin performs garbage collection and waits for all finalizers to run.
func gcwaitfin() {
	runtime.GC()
	runtime_blockUntilEmptyFinalizerQueue(math.MaxInt64)
}

//go:linkname runtime_blockUntilEmptyFinalizerQueue runtime.blockUntilEmptyFinalizerQueue
func runtime_blockUntilEmptyFinalizerQueue(int64) bool

var (
	onceFunc = sync.OnceFunc(func() {})

	onceFuncOnce sync.Once
)

func doOnceFunc() {