--- old/src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp	2013-05-14 15:41:35.212528741 +0200
+++ new/src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp	2013-05-14 15:41:34.936528746 +0200
@@ -338,6 +338,7 @@
 
   // Run unit tests.
 #ifndef PRODUCT
+  static void test_prt();
   static void test();
 #endif
 };