*** old/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Wed Nov 26 20:49:54 2014
--- new/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Wed Nov 26 20:49:54 2014

*** 147,157 ****
--- 147,164 ----
    public native void    unlockCompilation();
    public native int     getMethodEntryBci(Executable method);
    public native Object[] getNMethod(Executable method, boolean isOsr);
    public native long    allocateCodeBlob(int size, int type);
    public native void    freeCodeBlob(long addr);
!   public native void    forceNMethodSweep();
!   public        void    forceNMethodSweep() {
+     try {
+         forceNMethodSweep0().join();
+     } catch (InterruptedException e) {
+         Thread.currentThread().interrupt();
+     }
+   }
+   public native Thread  forceNMethodSweep0();
    public native Object[] getCodeHeapEntries(int type);
    public native int     getCompilationActivityMode();
    public native Object[] getCodeBlob(long addr);
  
    // Intered strings