diff -r 00977607da34 -r 148e5441d916 src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
--- a/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Tue Sep 15 11:09:34 2009 -0700
+++ b/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	Tue Sep 15 21:53:47 2009 -0700
@@ -116,9 +116,11 @@
 
   SharedHeap* sh = SharedHeap::heap();
 
-  sh->process_strong_roots(true,  // Collecting permanent generation.
+  sh->process_strong_roots(true,  // activeate StrongRootsScope
+                           true,  // Collecting permanent generation.
                            SharedHeap::SO_SystemClasses,
                            &GenMarkSweep::follow_root_closure,
+                           &GenMarkSweep::follow_code_root_closure,
                            &GenMarkSweep::follow_root_closure);
 
   // Process reference objects found during marking
@@ -276,9 +278,11 @@
 
   SharedHeap* sh = SharedHeap::heap();
 
-  sh->process_strong_roots(true,  // Collecting permanent generation.
+  sh->process_strong_roots(true,  // activate StrongRootsScope
+                           true,  // Collecting permanent generation.
                            SharedHeap::SO_AllClasses,
                            &GenMarkSweep::adjust_root_pointer_closure,
+                           NULL,  // do not touch code cache here
                            &GenMarkSweep::adjust_pointer_closure);
 
   g1h->ref_processor()->weak_oops_do(&GenMarkSweep::adjust_root_pointer_closure);