src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/CompiledVFrame.java

*** 125,140 ****
  
      return result;
    }
  
    /** Returns List<MonitorInfo> */
!   public List   getMonitors() {
      List monitors = getScope().getMonitors();
      if (monitors == null) {
!       return new ArrayList();
      }
!     List result = new ArrayList(monitors.size());
      for (int i = 0; i < monitors.size(); i++) {
        MonitorValue mv = (MonitorValue) monitors.get(i);
        ScopeValue ov = mv.owner();
        StackValue ownerSV = createStackValue(ov); // it is an oop
        if (ov.isObject()) { // The owner object was scalar replaced
--- 125,140 ----
  
      return result;
    }
  
    /** Returns List<MonitorInfo> */
!   public List<MonitorInfo>  getMonitors() {
      List monitors = getScope().getMonitors();
      if (monitors == null) {
!       return new ArrayList<>();
      }
!     List<MonitorInfo> result = new ArrayList<>(monitors.size());
      for (int i = 0; i < monitors.size(); i++) {
        MonitorValue mv = (MonitorValue) monitors.get(i);
        ScopeValue ov = mv.owner();
        StackValue ownerSV = createStackValue(ov); // it is an oop
        if (ov.isObject()) { // The owner object was scalar replaced