--- a/test/lib/sun/hotspot/WhiteBox.java	Fri Jun 10 15:19:32 2016 -0700
+++ b/test/lib/sun/hotspot/WhiteBox.java	Sat Jun 11 00:12:26 2016 +0000
@@ -376,6 +376,7 @@
   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);
   public native long incMetaspaceCapacityUntilGC(long increment);
   public native long metaspaceCapacityUntilGC();
+  public native boolean metaspaceShouldConcurrentCollect();
 
   // Don't use these methods directly
   // Use sun.hotspot.gc.GC class instead.