func arena_arena_Free(arena unsafe.Pointer) {
	((*userArena)(arena)).free()
}

// arena_heapify takes a value that lives in an arena and makes a copy
// of it on the heap. Values that don't live in an arena are returned unmodified.
//
//go:linkname arena_heapify arena.runtime_arena_heapify
func arena_heapify(s any) any {
	var v unsafe.Pointer
	e := efaceOf(&s)
	t := e._type
	switch t.Kind_ & abi.KindMask {

		for s := mheap_.userArena.quarantineList.first; s != nil; s = s.next {
			n++
		}
		unlock(&mheap_.lock)
	})
	return n
}

func UserArenaClone[T any](s T) T {
	return arena_heapify(s).(T)
}

var AlignUp = alignUp

func BlockUntilEmptyFinalizerQueue(timeout int64) bool {
	return blockUntilEmptyFinalizerQueue(timeout)
}

func FrameStartLine(f *Frame) int {