diff -r 1de1b145f6bc -r b735136e0d82 src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
--- a/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Wed Dec 26 15:05:30 2012 -0800
+++ b/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Wed Jan 02 11:32:41 2013 -0800
@@ -282,10 +282,8 @@
       if (r->startsHumongous()) {
         // We must adjust the pointers on the single H object.
         oop obj = oop(r->bottom());
-        debug_only(GenMarkSweep::track_interior_pointers(obj));
         // point all the oops to the new location
         obj->adjust_pointers();
-        debug_only(GenMarkSweep::check_interior_pointers());
       }
     } else {
       // This really ought to be "as_CompactibleSpace"...