This test is failing regularly in the loom repo on macosx-aarch64, typical output is:

----------System.out:(39/2210)----------
Agent_OnLoad started
Agent_OnLoad finished
testSuspendedVirtualThreads: started for virtual thread: VThread-Producer
testSuspendedVirtualThreads: DEPTH > 0
testSuspendedVirtualThreads: iter: 1
test_GetSetLocal: test_GetLocal with values0
test_GetLocal: mounted: 1 depth: 25 fcount: 33
JVMTI GetLocalInstance succeed for carrier thread top frame Continuation.run()
    local String value at slot 0: msg:
    local Thread value at slot 1: 0x14f80a640
    local int value at slot 2: 1
    local long value at slot 3: 2
    local float value at slot 5: 3.200000
    local double value at slot 6: 4.500000
test_GetSetLocal: test_SetLocal with values1
test_SetLocal: mounted: 1 depth: 25 fcount: 33
testSuspendedVirtualThreads: UNMOUNTED VTHREAD
testSuspendedVirtualThreads: iter: 6
test_GetSetLocal: test_GetLocal with values0
test_GetLocal: mounted: 0 depth: 7 fcount: 15
    local String value at slot 0: msg: 4.500000047683716
    local Thread value at slot 1: 0x14f80a670
    local int value at slot 2: 1
    local long value at slot 3: 2
    local float value at slot 5: 3.200000
    local double value at slot 6: 4.500000
test_GetSetLocal: test_SetLocal with values1
test_SetLocal: mounted: 0 depth: 7 fcount: 15
check_jvmti_status: JVMTI function returned error: JVMTI_ERROR_THREAD_NOT_ALIVE (15)
FATAL ERROR in native method: get_frame_count: error in JVMTI GetFrameCount call
at jdk.internal.vm.Continuation.run(java.base@19-loom/Continuation.java:270)
at java.lang.VirtualThread.runContinuation(java.base@19-loom/VirtualThread.java:217)
at java.lang.VirtualThread$$Lambda$7/0x000000080104a858.run(java.base@19-loom/Unknown Source)
at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(java.base@19-loom/ForkJoinTask.java:1428)
at java.util.concurrent.ForkJoinTask.doExec(java.base@19-loom/ForkJoinTask.java:373)
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(java.base@19-loom/ForkJoinPool.java:1191)
at java.util.concurrent.ForkJoinPool.scan(java.base@19-loom/ForkJoinPool.java:1634)
at java.util.concurrent.ForkJoinPool.runWorker(java.base@19-loom/ForkJoinPool.java:1601)
at java.util.concurrent.ForkJoinWorkerThread.run(java.base@19-loom/ForkJoinWorkerThread.java:167)