nsk/monitoring/LockTest/LockTest001 failed with Xcomp on solaris-sparcv9 server VM during HS 23 b11 JDK 7u4 b09/8 b23 PIT. The failure is not reproducible with -Xint. This is a C2 issue.

Log:

main: About to start first thread: Thread-0
Thread-0: Entering test()
Thread-0: Checkpoint #0, number of monitors: 1
Thread-0: MonitorInfo[0]=java.lang.Object@583dad65, StackDepth=3, frame=nsk.monitoring.LockTest.LockTest001.LockTest001.test(LockTest001.java:32)
Thread-0: Checkpoint #1, number of monitors: 0
Thread-0: Checkpoint #2, number of monitors: 1
Thread-0: MonitorInfo[0]=java.lang.Object@583dad65, StackDepth=3, frame=nsk.monitoring.LockTest.LockTest001.LockTest001.test(LockTest001.java:39)
Thread-0: Checkpoint #3, number of monitors: 0
Thread-0: Leaving test()
main: About to start second thread: Thread-1
Thread-1: Entering test()
Thread-1: Checkpoint #0, number of monitors: 1
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1: MonitorInfo[0]=java.lang.Object@583dad65, StackDepth=3, frame=nsk.monitoring.LockTest.LockTest001.LockTest001.test(LockTest001.java:32)
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-0: exiting
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1 state: RUNNABLE, LockName: null, LockOwnerName: null
Thread-1: Checkpoint #1, number of monitors: 0
Thread-1: Checkpoint #2, number of monitors: 1
Thread-1: MonitorInfo[0]=java.lang.Object@583dad65, StackDepth=3, frame=nsk.monitoring.LockTest.LockTest001.LockTest001.test(LockTest001.java:39)
Thread-1: Checkpoint #3, number of monitors: 0
Thread-1: Leaving test()
Thread-1: exiting
Exception in thread "main" nsk.share.TestFailure: TEST FAILED
        at nsk.monitoring.LockTest.LockTest001.LockTest001.main(LockTest001.java:121)