test/lib/sun/hotspot/WhiteBox.java

*** 101,110 ****
--- 101,111 ----
    // Make sure class name is in the correct format
    public boolean isClassAlive(String name) {
      return isClassAlive0(name.replace('.', '/'));
    }
    private native boolean isClassAlive0(String name);
+   public  native int getSymbolRefcount(String name);
  
    private native boolean isMonitorInflated0(Object obj);
    public         boolean isMonitorInflated(Object obj) {
      Objects.requireNonNull(obj);
      return isMonitorInflated0(obj);