--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp	Fri Dec 09 19:28:34 2011 -0800
+++ b/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp	Wed Dec 14 12:15:26 2011 +0100
@@ -336,12 +336,6 @@
                      unallocated_block() : end());
   }
 
-  // This is needed because the default implementation uses block_start()
-  // which can;t be used at certain times (for example phase 3 of mark-sweep).
-  // A better fix is to change the assertions in phase 3 of mark-sweep to
-  // use is_in_reserved(), but that is deferred since the is_in() assertions
-  // are buried through several layers of callers and are used elsewhere
-  // as well.
   bool is_in(const void* p) const {
     return used_region().contains(p);
   }