�う。</p>
<!--
In this case, right after we create the reference cycle, the program ends. The
consequences of this cycle aren’t very dire. However, if a more complex program
allocated lots of memory in a cycle and held onto it for a long time, the
program would use more memory than it needed and might overwhelm the system,
causing it to run out of available memory.
-->
<p>この場合、循環参照を作る直後にプログラムは終了します。この循環の結果は、それほど悲壮なも�