src/share/vm/gc/parallel/psMarkSweep.cpp

*** 533,543 ****
    }
  
    // This is the point where the entire marking should have completed.
    assert(_marking_stack.is_empty(), "Marking should have completed");
  
!   {
      GCTraceTime(Debug, gc, phases) t("Class Unloading", _gc_timer);
  
      // Unload classes and purge the SystemDictionary.
      bool purged_class = SystemDictionary::do_unloading(is_alive_closure());
  
--- 533,543 ----
    }
  
    // This is the point where the entire marking should have completed.
    assert(_marking_stack.is_empty(), "Marking should have completed");
  
!   if (ClassUnloading) {
      GCTraceTime(Debug, gc, phases) t("Class Unloading", _gc_timer);
  
      // Unload classes and purge the SystemDictionary.
      bool purged_class = SystemDictionary::do_unloading(is_alive_closure());