}
	old := unsafe.Pointer(sync_atomic_SwapUintptr((*uintptr)(noescape(unsafe.Pointer(ptr))), uintptr(new)))
	return old
}

//go:linkname sync_atomic_CompareAndSwapUintptr sync/atomic.CompareAndSwapUintptr
func sync_atomic_CompareAndSwapUintptr(ptr *uintptr, old, new uintptr) bool

//go:linkname sync_atomic_CompareAndSwapPointer sync/atomic.CompareAndSwapPointer
//go:nosplit