diff -r 942bb29b20b0 -r aed758eda82a src/share/vm/gc_implementation/shared/vmGCOperations.cpp
--- a/src/share/vm/gc_implementation/shared/vmGCOperations.cpp	Thu Sep 06 07:28:30 2012 -0700
+++ b/src/share/vm/gc_implementation/shared/vmGCOperations.cpp	Fri Sep 07 12:04:16 2012 -0400
@@ -70,13 +70,13 @@
 
 void VM_GC_Operation::acquire_pending_list_lock() {
   // we may enter this with pending exception set
-  instanceRefKlass::acquire_pending_list_lock(&_pending_list_basic_lock);
+  InstanceRefKlass::acquire_pending_list_lock(&_pending_list_basic_lock);
 }
 
 
 void VM_GC_Operation::release_and_notify_pending_list_lock() {
 
-  instanceRefKlass::release_and_notify_pending_list_lock(&_pending_list_basic_lock);
+  InstanceRefKlass::release_and_notify_pending_list_lock(&_pending_list_basic_lock);
 }
 
 // Allocations may fail in several threads at about the same time,