*** old/src/share/vm/oops/methodCounters.cpp	Tue May  6 15:13:01 2014
--- new/src/share/vm/oops/methodCounters.cpp	Tue May  6 15:13:01 2014

*** 32,37 ****
--- 32,43 ----
  void MethodCounters::clear_counters() {
    invocation_counter()->reset();
    backedge_counter()->reset();
    set_interpreter_throwout_count(0);
    set_interpreter_invocation_count(0);
+   set_nmethod_age(INT_MAX);
+ }
+ 
+ bool MethodCounters::should_nmethod_age(int age) {
+   return UseCodeAging && (!MethodCounters::is_nmethod_hot(age) &&
+                           !MethodCounters::is_nmethod_age_unset(age));
  }