java/lang/ThreadGroup/NullThreadName.java fails in fastdebug mode on linux-amd64
with
----------messages:(3/127)----------
command: main NullThreadName
reason: Assumed action based on file name: run main NullThreadName
elapsed time (seconds): 0.716
----------System.out:(3/117)----------
OK, caught expected java.lang.NullPointerException: name cannot be null
Good Thread started...
Good Thread finishing
----------System.err:(13/768)----------
java.lang.AssertionError: Failed: Thread group is not destroyed.
at NullThreadName.main(NullThreadName.java:72)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:713)

originally failed with -server -Xmixed, but fails with -client too.