No, typically, a reference cycle is fine. It results in valid memory that never gets read again, which is unfortunate but not dangerous, whereas double-frees ca

No, typically, a reference cycle is fine. It results in valid memory that never gets read again, which is unfortunate but not dangerous, whereas double-frees can result in memory corruption. http://huonw.github.io/blog/2016/04/memory-leaks-are-memory-safe/ http://huonw.github.io/blog/2016/04/memory-leaks-are-memory-...