*** old/src/share/vm/oops/method.hpp	Wed Sep 17 16:06:58 2014
--- new/src/share/vm/oops/method.hpp	Wed Sep 17 16:06:58 2014

*** 338,347 ****
--- 338,352 ----
      // total store order (TSO) the reference may become visible before
      // the initialization of data otherwise.
      OrderAccess::release_store_ptr((volatile void *)&_method_counters, counters);
    }
  
+   bool init_method_counters(MethodCounters* counters) {
+     // Try to install a pointer to MethodCounters, return true on success.
+     return Atomic::cmpxchg_ptr(counters, (volatile void*)&_method_counters, NULL) == NULL;
+   }
+ 
  #ifdef TIERED
    // We are reusing interpreter_invocation_count as a holder for the previous event count!
    // We can do that since interpreter_invocation_count is not used in tiered.
    int prev_event_count() const                   {
      if (method_counters() == NULL) {