src/hotspot/share/runtime/thread.cpp

behaviours

 
   _SR_lock = new Monitor(Mutex::suspend_resume, "SR_lock", true,
                          Monitor::_safepoint_check_sometimes);
   _suspend_flags = 0;
 
+  _behaviour_provider = NULL;
+
   // thread-specific hashCode stream generator state - Marsaglia shift-xor form
   _hashStateX = os::random();
   _hashStateY = 842502087;
   _hashStateZ = 0x8767;    // (int)(3579807591LL & 0xffff) ;
   _hashStateW = 273326509;