java/lang/ThreadGroup/Stop.java may fail with java.lang.ThreadDeath:

java.lang.LinkageError
at java.lang.invoke.MethodHandleNatives.linkMethodImpl(java.base@9-internal/MethodHandleNatives.java:386)
at java.lang.invoke.MethodHandleNatives.linkMethod(java.base@9-internal/MethodHandleNatives.java:366)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$Node.compareAndSetWaitStatus(java.base@9-internal/AbstractQueuedSynchronizer.java:521)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doReleaseShared(java.base@9-internal/AbstractQueuedSynchronizer.java:727)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.releaseShared(java.base@9-internal/AbstractQueuedSynchronizer.java:1369)
at java.util.concurrent.CountDownLatch.countDown(java.base@9-internal/CountDownLatch.java:292)
at Stop.lambda$main$0(Stop.java:40)
at java.lang.Thread.run(java.base@9-internal/Thread.java:843)
Caused by: java.lang.ThreadDeath
at java.lang.Thread.stop(java.base@9-internal/Thread.java:948)
at java.lang.ThreadGroup.stopOrSuspend(java.base@9-internal/ThreadGroup.java:698)
at java.lang.ThreadGroup.stop(java.base@9-internal/ThreadGroup.java:610)
at Stop.lambda$main$1(Stop.java:56)
... 1 more


The failure was observed only twice with JDK9:
on linux-x64 and on macOS