compiler/arguments/TestScavengeRootsInCode.java fails with lots of exceptions. 
See:
----------System.out:(1163/95545)----------
Timeout refired 1200 times
2019-04-15 23:30:06
Full thread dump Java HotSpot(TM) 64-Bit Server VM (13-internal+0-jdk13-jdk.845 compiled mode, sharing):

Threads class SMR info:
_java_thread_list=0x00007fb85d4f1e50, length=14, elements={
0x00007fb85b010000, 0x00007fb85c086000, 0x00007fb85b802000, 0x00007fb85c093800,
0x00007fb85c81d000, 0x00007fb85b81e000, 0x00007fb85b038800, 0x00007fb85c81a000,
0x00007fb85b83b800, 0x00007fb85e802800, 0x00007fb85b035000, 0x00007fb85c0b6000,
0x00007fb85e008000, 0x00007fb85b825800
}
_java_thread_list_alloc_cnt=45, _java_thread_list_free_cnt=43, _java_thread_list_max=19, _nested_thread_list_max=1
_tlh_cnt=10039, _tlh_times=85, avg_tlh_time=0.01, _tlh_time_max=25
_deleted_thread_cnt=15, _deleted_thread_times=0, avg_deleted_thread_time=0.00, _deleted_thread_time_max=0
_delete_lock_wait_cnt=0, _delete_lock_wait_max=0
_to_delete_list_cnt=0, _to_delete_list_max=1

"main" #1 prio=5 os_prio=31 cpu=2916.61ms elapsed=1256.26s tid=0x00007fb85b010000 nid=0x2003 waiting on condition  [0x0000000100594000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b010000  [0x2003] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.nio.charset.CharsetDecoder.decode(java.base@13-internal/CharsetDecoder.java:585)
	at sun.nio.cs.StreamDecoder.implRead(java.base@13-internal/StreamDecoder.java:318)
	at sun.nio.cs.StreamDecoder.read(java.base@13-internal/StreamDecoder.java:178)
	- locked <0x00000007e1e2bc00> (a java.io.FileReader)
	at java.io.InputStreamReader.read(java.base@13-internal/InputStreamReader.java:185)
	at java.io.Reader.read(java.base@13-internal/Reader.java:229)
	at com.sun.javatest.regtest.agent.MainWrapper.main(MainWrapper.java:52)

"Reference Handler" #2 daemon prio=10 os_prio=31 cpu=15.56ms elapsed=1256.16s tid=0x00007fb85c086000 nid=0x4603 waiting on condition  [0x000070000958d000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c086000  [0x4603] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.ref.Reference.waitForReferencePendingList(java.base@13-internal/Native Method)
	at java.lang.ref.Reference.processPendingReferences(java.base@13-internal/Reference.java:241)
	at java.lang.ref.Reference$ReferenceHandler.run(java.base@13-internal/Reference.java:213)

"Finalizer" #3 daemon prio=8 os_prio=31 cpu=0.26ms elapsed=1256.16s tid=0x00007fb85b802000 nid=0x4403 in Object.wait()  [0x0000700009690000]
   java.lang.Thread.State: WAITING (on object monitor)
Thread: 0x00007fb85b802000  [0x4403] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.Object.wait(java.base@13-internal/Native Method)
	- waiting on <0x00000007e14cd4a0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:155)
	- locked <0x00000007e14cd4a0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:176)
	at java.lang.ref.Finalizer$FinalizerThread.run(java.base@13-internal/Finalizer.java:170)

"Signal Dispatcher" #4 daemon prio=9 os_prio=31 cpu=5.38ms elapsed=1256.14s tid=0x00007fb85c093800 nid=0x3e13 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c093800  [0x3e13] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"JVMCI CompilerThread0" #5 daemon prio=9 os_prio=31 cpu=977528.55ms elapsed=1256.14s tid=0x00007fb85c81d000 nid=0x5603 runnable  [0x0000700009895000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c81d000  [0x5603] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
   Compiling: 2202    b        java.lang.Thread::<init> (9 bytes)
	at org.graalvm.compiler.graph.NodeUsageWithModCountIterator.next(jdk.internal.vm.compiler@13-internal/NodeUsageWithModCountIterator.java:50)
	at org.graalvm.compiler.graph.NodeUsageWithModCountIterator.next(jdk.internal.vm.compiler@13-internal/NodeUsageWithModCountIterator.java:29)
	at org.graalvm.compiler.nodes.java.MethodCallTargetNode.verify(jdk.internal.vm.compiler@13-internal/MethodCallTargetNode.java:105)
	at org.graalvm.compiler.graph.Graph.verify(jdk.internal.vm.compiler@13-internal/Graph.java:1165)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:212)
	at org.graalvm.compiler.phases.Phase.apply(jdk.internal.vm.compiler@13-internal/Phase.java:42)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:149)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:145)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.doInline(jdk.internal.vm.compiler@13-internal/InliningData.java:418)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.tryToInline(jdk.internal.vm.compiler@13-internal/InliningData.java:462)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.moveForward(jdk.internal.vm.compiler@13-internal/InliningData.java:751)
	at org.graalvm.compiler.phases.common.inlining.InliningPhase.run(jdk.internal.vm.compiler@13-internal/InliningPhase.java:100)
	at org.graalvm.compiler.phases.common.inlining.InliningPhase.run(jdk.internal.vm.compiler@13-internal/InliningPhase.java:40)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.phases.PhaseSuite.run(jdk.internal.vm.compiler@13-internal/PhaseSuite.java:212)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.core.GraalCompiler.emitFrontEnd(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:220)
	at org.graalvm.compiler.core.GraalCompiler.compile(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:144)
	at org.graalvm.compiler.core.GraalCompiler.compileGraph(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:129)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileHelper(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:211)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compile(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:229)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:190)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:98)
	at org.graalvm.compiler.core.CompilationWrapper.run(jdk.internal.vm.compiler@13-internal/CompilationWrapper.java:177)
	at org.graalvm.compiler.hotspot.CompilationTask.runCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:344)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:141)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:108)
	at jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.compileMethod(jdk.internal.vm.ci@13-internal/HotSpotJVMCIRuntime.java:524)

"Sweeper thread" #7 daemon prio=9 os_prio=31 cpu=0.05ms elapsed=1256.14s tid=0x00007fb85b81e000 nid=0x5803 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b81e000  [0x5803] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"Common-Cleaner" #8 daemon prio=8 os_prio=31 cpu=3.91ms elapsed=1256.02s tid=0x00007fb85b038800 nid=0x5903 in Object.wait()  [0x0000700009a9c000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
Thread: 0x00007fb85b038800  [0x5903] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.Object.wait(java.base@13-internal/Native Method)
	- waiting on <0x00000007e14d8388> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:155)
	- locked <0x00000007e14d8388> (a java.lang.ref.ReferenceQueue$Lock)
	at jdk.internal.ref.CleanerImpl.run(java.base@13-internal/CleanerImpl.java:148)
	at java.lang.Thread.run(java.base@13-internal/Thread.java:835)
	at jdk.internal.misc.InnocuousThread.run(java.base@13-internal/InnocuousThread.java:134)

"HotSpotGraalManagement Bean Registration" #9 daemon prio=1 os_prio=31 cpu=41.25ms elapsed=1255.13s tid=0x00007fb85c81a000 nid=0x5b03 waiting on condition  [0x0000700009b9f000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
Thread: 0x00007fb85c81a000  [0x5b03] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.Thread.sleep(java.base@13-internal/Native Method)
	at org.graalvm.compiler.hotspot.management.HotSpotGraalManagement$RegistrationThread.run(jdk.internal.vm.compiler.management@13-internal/HotSpotGraalManagement.java:140)

"JVMCI CompilerThread1" #6 daemon prio=9 os_prio=31 cpu=964493.36ms elapsed=1241.31s tid=0x00007fb85b83b800 nid=0x5d03 runnable  [0x0000700009ea7000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b83b800  [0x5d03] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
   Compiling: 2182    b        sun.nio.cs.UTF_8$Decoder::decodeArrayLoop (691 bytes)
	at org.graalvm.compiler.debug.DebugContext.log(jdk.internal.vm.compiler@13-internal/DebugContext.java:934)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.performReplacement(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:380)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.tryCanonicalize(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:342)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.processNode(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:262)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.processWorkSet(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:241)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase$Instance.run(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:211)
	at org.graalvm.compiler.phases.Phase.run(jdk.internal.vm.compiler@13-internal/Phase.java:49)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.Phase.apply(jdk.internal.vm.compiler@13-internal/Phase.java:42)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:157)
	at org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase.run(jdk.internal.vm.compiler@13-internal/IncrementalCanonicalizerPhase.java:60)
	at org.graalvm.compiler.phases.common.IncrementalCanonicalizerPhase.run(jdk.internal.vm.compiler@13-internal/IncrementalCanonicalizerPhase.java:38)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.phases.PhaseSuite.run(jdk.internal.vm.compiler@13-internal/PhaseSuite.java:212)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.core.GraalCompiler.emitFrontEnd(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:225)
	at org.graalvm.compiler.core.GraalCompiler.compile(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:144)
	at org.graalvm.compiler.core.GraalCompiler.compileGraph(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:129)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileHelper(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:211)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compile(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:229)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:190)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:98)
	at org.graalvm.compiler.core.CompilationWrapper.run(jdk.internal.vm.compiler@13-internal/CompilationWrapper.java:177)
	at org.graalvm.compiler.hotspot.CompilationTask.runCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:344)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:141)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:108)
	at jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.compileMethod(jdk.internal.vm.ci@13-internal/HotSpotJVMCIRuntime.java:524)

"Service Thread" #10 daemon prio=9 os_prio=31 cpu=0.29ms elapsed=1169.45s tid=0x00007fb85e802800 nid=0x5e03 runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85e802800  [0x5e03] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"Attach Listener" #26 daemon prio=9 os_prio=31 cpu=0.53ms elapsed=0.00s tid=0x00007fb85b035000 nid=0x670b runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b035000  [0x670b] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"Attach Listener" #27 daemon prio=9 os_prio=31 cpu=0.73ms elapsed=0.00s tid=0x00007fb85c0b6000 nid=0x650b runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c0b6000  [0x650b] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"Attach Listener" #28 daemon prio=9 os_prio=31 cpu=0.66ms elapsed=0.00s tid=0x00007fb85e008000 nid=0x660b runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85e008000  [0x660b] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"Attach Listener" #29 daemon prio=9 os_prio=31 cpu=0.06ms elapsed=0.00s tid=0x00007fb85b825800 nid=0x9a0f runnable  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b825800  [0x9a0f] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"VM Thread" os_prio=31 cpu=697.13ms elapsed=1256.17s tid=0x00007fb85b81d800 nid=0x3703 runnable  

"GC Thread#0" os_prio=31 cpu=4548.04ms elapsed=1256.24s tid=0x00007fb85b027800 nid=0x2f03 runnable  

"GC Thread#1" os_prio=31 cpu=4673.21ms elapsed=1248.29s tid=0x00007fb85c0aa000 nid=0x2707 runnable  

"GC Thread#2" os_prio=31 cpu=4319.28ms elapsed=1248.29s tid=0x00007fb85c0aa800 nid=0x1807 runnable  

"G1 Main Marker" os_prio=31 cpu=0.69ms elapsed=1256.24s tid=0x00007fb85c005800 nid=0x4f03 runnable  

"G1 Conc#0" os_prio=31 cpu=156.81ms elapsed=1256.24s tid=0x00007fb85b028800 nid=0x4c03 runnable  

"G1 Conc#1" os_prio=31 cpu=156.05ms elapsed=1125.55s tid=0x00007fb85b04e800 nid=0x6003 runnable  

"G1 Refine#0" os_prio=31 cpu=0.11ms elapsed=1256.23s tid=0x00007fb85c077800 nid=0x3103 runnable  

"G1 Young RemSet Sampling" os_prio=31 cpu=146.18ms elapsed=1256.23s tid=0x00007fb85b029800 nid=0x3303 runnable  
"VM Periodic Task Thread" os_prio=31 cpu=247.67ms elapsed=990.10s tid=0x00007fb85b04f000 nid=0x6103 waiting on condition  

JNI global refs: 8, weak refs: 1500

Heap
 garbage-first heap   total 40960K, used 15067K [0x00000007e1400000, 0x0000000800000000)
  region size 1024K, 3 young (3072K), 1 survivors (1024K)
 Metaspace       used 21059K, capacity 22257K, committed 22400K, reserved 1069056K
  class space    used 2465K, capacity 2604K, committed 2688K, reserved 1048576K

2019-04-15 23:30:06
Full thread dump Java HotSpot(TM) 64-Bit Server VM (13-internal+0-jdk13-jdk.845 compiled mode, sharing):

Threads class SMR info:
_java_thread_list=0x00007fb85f86dea0, length=12, elements={
0x00007fb85b010000, 0x00007fb85c086000, 0x00007fb85b802000, 0x00007fb85c093800,
0x00007fb85c81d000, 0x00007fb85b81e000, 0x00007fb85b038800, 0x00007fb85c81a000,
0x00007fb85b83b800, 0x00007fb85e802800, 0x00007fb85b035000, 0x00007fb85b825800
}
_java_thread_list_alloc_cnt=47, _java_thread_list_free_cnt=45, _java_thread_list_max=19, _nested_thread_list_max=1
_tlh_cnt=10054, _tlh_times=85, avg_tlh_time=0.01, _tlh_time_max=25
_deleted_thread_cnt=17, _deleted_thread_times=0, avg_deleted_thread_time=0.00, _deleted_thread_time_max=0
_delete_lock_wait_cnt=0, _delete_lock_wait_max=0
_to_delete_list_cnt=0, _to_delete_list_max=1

"main" #1 prio=5 os_prio=31 cpu=2916.61ms elapsed=1256.26s tid=0x00007fb85b010000 nid=0x2003 waiting on condition  [0x0000000100594000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85b010000  [0x2003] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.nio.charset.CharsetDecoder.decode(java.base@13-internal/CharsetDecoder.java:585)
	at sun.nio.cs.StreamDecoder.implRead(java.base@13-internal/StreamDecoder.java:318)
	at sun.nio.cs.StreamDecoder.read(java.base@13-internal/StreamDecoder.java:178)
	- locked <0x00000007e1e2bc00> (a java.io.FileReader)
	at java.io.InputStreamReader.read(java.base@13-internal/InputStreamReader.java:185)
	at java.io.Reader.read(java.base@13-internal/Reader.java:229)
	at com.sun.javatest.regtest.agent.MainWrapper.main(MainWrapper.java:52)

"Reference Handler" #2 daemon prio=10 os_prio=31 cpu=15.56ms elapsed=1256.16s tid=0x00007fb85c086000 nid=0x4603 waiting on condition  [0x000070000958d000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c086000  [0x4603] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.ref.Reference.waitForReferencePendingList(java.base@13-internal/Native Method)
	at java.lang.ref.Reference.processPendingReferences(java.base@13-internal/Reference.java:241)
	at java.lang.ref.Reference$ReferenceHandler.run(java.base@13-internal/Reference.java:213)

"Finalizer" #3 daemon prio=8 os_prio=31 cpu=0.26ms elapsed=1256.16s tid=0x00007fb85b802000 nid=0x4403 in Object.wait()  [0x0000700009690000]
   java.lang.Thread.State: WAITING (on object monitor)
Thread: 0x00007fb85b802000  [0x4403] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
	at java.lang.Object.wait(java.base@13-internal/Native Method)
	- waiting on <0x00000007e14cd4a0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:155)
	- locked <0x00000007e14cd4a0> (a java.lang.ref.ReferenceQueue$Lock)
	at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:176)
	at java.lang.ref.Finalizer$FinalizerThread.run(java.base@13-internal/Finalizer.java:170)

"Signal Dispatcher" #4 daemon prio=9 os_prio=31 cpu=5.51ms elapsed=1256.14s tid=0x00007fb85c093800 nid=0x3e13 waiting on condition  [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c093800  [0x3e13] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked

"JVMCI CompilerThread0" #5 daemon prio=9 os_prio=31 cpu=977529.00ms elapsed=1256.14s tid=0x00007fb85c81d000 nid=0x5603 runnable  [0x0000700009895000]
   java.lang.Thread.State: RUNNABLE
Thread: 0x00007fb85c81d000  [0x5603] State: _at_safepoint _at_poll_safepoint 0
   JavaThread state: _thread_blocked
   Compiling: 2202    b        java.lang.Thread::<init> (9 bytes)
	at org.graalvm.compiler.graph.GraphNodeIterator.forward(jdk.internal.vm.compiler@13-internal/GraphNodeIterator.java:48)
	at org.graalvm.compiler.graph.GraphNodeIterator.next(jdk.internal.vm.compiler@13-internal/GraphNodeIterator.java:72)
	at org.graalvm.compiler.graph.GraphNodeIterator.next(jdk.internal.vm.compiler@13-internal/GraphNodeIterator.java:32)
	at org.graalvm.compiler.graph.Graph.verify(jdk.internal.vm.compiler@13-internal/Graph.java:1162)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:212)
	at org.graalvm.compiler.phases.Phase.apply(jdk.internal.vm.compiler@13-internal/Phase.java:42)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:149)
	at org.graalvm.compiler.phases.common.CanonicalizerPhase.applyIncremental(jdk.internal.vm.compiler@13-internal/CanonicalizerPhase.java:145)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.doInline(jdk.internal.vm.compiler@13-internal/InliningData.java:418)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.tryToInline(jdk.internal.vm.compiler@13-internal/InliningData.java:462)
	at org.graalvm.compiler.phases.common.inlining.walker.InliningData.moveForward(jdk.internal.vm.compiler@13-internal/InliningData.java:751)
	at org.graalvm.compiler.phases.common.inlining.InliningPhase.run(jdk.internal.vm.compiler@13-internal/InliningPhase.java:100)
	at org.graalvm.compiler.phases.common.inlining.InliningPhase.run(jdk.internal.vm.compiler@13-internal/InliningPhase.java:40)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.phases.PhaseSuite.run(jdk.internal.vm.compiler@13-internal/PhaseSuite.java:212)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:197)
	at org.graalvm.compiler.phases.BasePhase.apply(jdk.internal.vm.compiler@13-internal/BasePhase.java:139)
	at org.graalvm.compiler.core.GraalCompiler.emitFrontEnd(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:220)
	at org.graalvm.compiler.core.GraalCompiler.compile(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:144)
	at org.graalvm.compiler.core.GraalCompiler.compileGraph(jdk.internal.vm.compiler@13-internal/GraalCompiler.java:129)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileHelper(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:211)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compile(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:229)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:190)
	at org.graalvm.compiler.hotspot.CompilationTask$HotSpotCompilationWrapper.performCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:98)
	at org.graalvm.compiler.core.CompilationWrapper.run(jdk.internal.vm.compiler@13-internal/CompilationWrapper.java:177)
	at org.graalvm.compiler.hotspot.CompilationTask.runCompilation(jdk.internal.vm.compiler@13-internal/CompilationTask.java:344)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:141)
	at org.graalvm.compiler.hotspot.HotSpotGraalCompiler.compileMethod(jdk.internal.vm.compiler@13-internal/HotSpotGraalCompiler.java:108)
	at jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.compileMethod(jdk.internal.vm.ci@13-internal/HotSpotJVMCIRuntime.java:524)
......