--- old/src/share/vm/gc_interface/collectedHeap.hpp	2015-04-01 13:10:13.855837424 +0200
+++ new/src/share/vm/gc_interface/collectedHeap.hpp	2015-04-01 13:10:13.739837429 +0200
@@ -207,7 +207,7 @@
   // In many heaps, there will be a need to perform some initialization activities
   // after the Universe is fully formed, but before general heap allocation is allowed.
   // This is the correct place to place such initialization methods.
-  virtual void post_initialize() = 0;
+  virtual void post_initialize();
 
   // Stop any onging concurrent work and prepare for exit.
   virtual void stop() {}