--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2013-05-10 15:55:59.080885037 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2013-05-10 15:55:59.012885039 +0200
@@ -165,7 +165,6 @@
   G1CollectedHeap* _g1;
 public:
   G1STWIsAliveClosure(G1CollectedHeap* g1) : _g1(g1) {}
-  void do_object(oop p) { assert(false, "Do not call."); }
   bool do_object_b(oop p);
 };