bool NonTieredCompPolicy::is_mature(Method* method) {
  MethodData* mdo = method->method_data();
  assert(mdo != NULL, "Should be");
  uint current = mdo->mileage_of(method);
  uint initial = mdo->creation_mileage();
  if (current < initial)
    return true;  // some sort of overflow
  uint target;
  if (ProfileMaturityPercentage <= 0)
    target = (uint) -ProfileMaturityPercentage;  // absolute value
  else
    target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 );
  return (current >= initial + target);
}
 int creation_mileage() { return _orig.creation_mileage(); }