--- a/test/lib/sun/hotspot/WhiteBox.java	Wed Aug 02 15:59:32 2017 +0000
+++ b/test/lib/sun/hotspot/WhiteBox.java	Wed Aug 02 18:07:02 2017 -0700
@@ -377,6 +377,7 @@
   public native long incMetaspaceCapacityUntilGC(long increment);
   public native long metaspaceCapacityUntilGC();
   public native boolean metaspaceShouldConcurrentCollect();
+  public native long metaspaceReserveAlignment();
 
   // Don't use these methods directly
   // Use sun.hotspot.gc.GC class instead.