A large number of parallel class loading tests (as well as a few other tests)
failed in the hg/hotspot-g1-gc repo testing with the assert:

         _concurrent_iteration_safe_limit <= top():
         "_concurrent_iteration_safe_limit update missed"

See, for instance:

http://sqeweb.sfbay/nfs/tools/gtee/results/JDK7/NIGHTLY/VM/2008-06-20/GC_Baseline-Xconc/vm/linux-i586/server/mixed/vm-linux-i586_server_mixed_vm.parallel_class_loading.testlist2008-06-20-21-18-50/ResultDir/anonymous-simple_copy_3/anonymous-simple.log

[2008-06-21T06:02:02.77] # after -XX: or in .hotspotrc: SuppressErrorAt=/space.inline.hpp:65
[2008-06-21T06:02:02.77] #
[2008-06-21T06:02:02.77] # A fatal error has been detected by the Java Runtime Environment:
[2008-06-21T06:02:02.77] #
[2008-06-21T06:02:02.77] # Internal Error (/tmp/jprt-jprtadm/temp/P1/B/154254.ysr/source/src/share/vm/memory/space.inline.hpp:65), pid=27386, tid=2888154032
[2008-06-21T06:02:02.77] # Error: assert(_concurrent_iteration_safe_limit <= top(),"_concurrent_iteration_safe_limit update missed")
[2008-06-21T06:02:02.77] #
[2008-06-21T06:02:02.77] # Java VM: Java HotSpot(TM) Server VM (13.0-b02-2008-06-17-154254.ysr.hg_g1_gc_baseline-fastdebug mixed mode linux-x86 )
[2008-06-21T06:02:02.77] # An error report file with more information is saved as:
[2008-06-21T06:02:02.77] # /export/local/6175.JDK7.NIGHTLY.VM+linux-i586_server_mixed_vm.parallel_class_loading.testlist/results/ResultDir/anonymous-simple_copy_3/hs_err_pid27386.log
[2008-06-21T06:02:02.77] #
[2008-06-21T06:02:02.77] # If you would like to submit a bug report, please visit:
[2008-06-21T06:02:02.77] # http://java.sun.com/webapps/bugreport/crash.jsp
[2008-06-21T06:02:02.77] #