--- old/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-04-01 13:13:01.071830439 +0200
+++ new/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	2015-04-01 13:13:00.955830444 +0200
@@ -1320,7 +1320,7 @@
 
   // A CollectedHeap will contain some number of spaces.  This finds the
   // space containing a given address, or else returns NULL.
-  virtual Space* space_containing(const void* addr) const;
+  Space* space_containing(const void* addr) const;
 
   // Returns the HeapRegion that contains addr. addr must not be NULL.
   template <class T>