--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2015-04-01 13:10:13.383837444 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	2015-04-01 13:10:13.259837449 +0200
@@ -2036,6 +2036,11 @@
   return HeapRegion::max_region_size();
 }
 
+void G1CollectedHeap::post_initialize() {
+  CollectedHeap::post_initialize();
+  ref_processing_init();
+}
+
 void G1CollectedHeap::ref_processing_init() {
   // Reference processing in G1 currently works as follows:
   //
@@ -2072,7 +2077,6 @@
   //     * Discovery is atomic - i.e. not concurrent.
   //     * Reference discovery will not need a barrier.
 
-  SharedHeap::ref_processing_init();
   MemRegion mr = reserved_region();
 
   // Concurrent Mark ref processor