Mach5 Tier3 with UseHeavyMonitors and VerifyHeavyMonitors forced true
failed 19 tests:

applications/runthese/RunThese30M.java

# Internal Error (t:\workspace\open\src\hotspot\share\runtime/handles.hpp:71), pid=25688, tid=48320
# assert(_handle != 0LL) failed: resolving NULL handle

<snip>

Current thread (0x00000266dc2df7b0): JavaThread "javasoft.sqe.tests.api.java.lang.ClassNotFoundException.ClassNotFoundExcTests " daemon [_thread_in_vm, id=48320, stack(0x000000c541500000,0x000000c541600000)]

Stack: [0x000000c541500000,0x000000c541600000]
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [jvm.dll+0xbb1a51] os::platform_print_native_stack+0xf1 (os_windows_x86.cpp:235)
V [jvm.dll+0xdf16fe] VMError::report+0x101e (vmError.cpp:828)
V [jvm.dll+0xdf30fe] VMError::report_and_die+0x7fe (vmError.cpp:1656)
V [jvm.dll+0xdf3884] VMError::report_and_die+0x64 (vmError.cpp:1437)
V [jvm.dll+0x5329f7] report_vm_error+0xb7 (debug.cpp:280)
V [jvm.dll+0xd1f754] ObjectSynchronizer::enter+0x44 (synchronizer.cpp:435)
V [jvm.dll+0xc7517f] SharedRuntime::monitor_enter_helper+0x1ff (sharedRuntime.cpp:2124)
V [jvm.dll+0x3e0b18] Runtime1::monitorenter+0x168 (c1_Runtime1.cpp:747)
C 0x00000266e6662f57

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
v ~RuntimeStub::monitorenter_nofpu Runtime1 stub
J 34362 c1 java.lang.Throwable.printStackTrace(Ljava/lang/Throwable$PrintStreamOrWriter;)V java.base@18-internal (177 bytes) @ 0x00000266e6d3bb2e [0x00000266e6d3a9e0+0x000000000000114e]
j java.lang.Throwable.printStackTrace(Ljava/io/PrintStream;)V+9 java.base@18-internal
j javasoft.sqe.tests.api.java.lang.ClassNotFoundException.ClassNotFoundExcTests.ClassNotFoundException0008()Ljavasoft/sqe/javatest/Status;+12
j java.lang.invoke.DirectMethodHandle$Holder.invokeVirtual(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;+10 java.base@18-internal
J 33052 c2 java.lang.invoke.LambdaForm$MH+0x0000000800c08000.invoke(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object; java.base@18-internal (35 bytes) @ 0x00000266ee48ffd4 [0x00000266ee48ff20+0x00000000000000b4]
J 26417 c2 java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; java.base@18-internal (108 bytes) @ 0x00000266ee13f9d8 [0x00000266ee13f560+0x0000000000000478]
j javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(Ljava/lang/reflect/Method;)Ljavasoft/sqe/javatest/Status;+8
j javasoft.sqe.javatest.lib.MultiTest.run([Ljava/lang/String;Ljava/io/PrintWriter;Ljava/io/PrintWriter;)Ljavasoft/sqe/javatest/Status;+139
j javasoft.sqe.javatest.lib.MultiTest.run([Ljava/lang/String;Ljava/io/PrintStream;Ljava/io/PrintStream;)Ljavasoft/sqe/javatest/Status;+46
j javasoft.sqe.tests.api.java.lang.ClassNotFoundException.ClassNotFoundExcTests.main([Ljava/lang/String;)V+16
j java.lang.invoke.LambdaForm$DMH+0x0000000800c03400.invokeStatic(Ljava/lang/Object;Ljava/lang/Object;)V+10 java.base@18-internal
j java.lang.invoke.LambdaForm$MH+0x0000000800c8dc00.invoke(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;+33 java.base@18-internal
J 26417 c2 java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; java.base@18-internal (108 bytes) @ 0x00000266ee13f928 [0x00000266ee13f560+0x00000000000003c8]
j applications.kitchensink.process.stress.modules.JckStressModule$TestRunner$1.run()V+9
v ~StubRoutines::call_stub