diff -r f4fe12e429a4 -r 72c5366e5d86 src/share/vm/opto/compile.hpp
--- a/src/share/vm/opto/compile.hpp	Thu Oct 30 17:08:48 2008 -0700
+++ b/src/share/vm/opto/compile.hpp	Thu Nov 06 14:59:10 2008 -0800
@@ -154,6 +154,7 @@
   uint                  _decompile_count;       // Cumulative decompilation counts.
   bool                  _do_inlining;           // True if we intend to do inlining
   bool                  _do_scheduling;         // True if we intend to do scheduling
+  bool                  _do_freq_based_layout;  // True if we intend to do frequency based block layout
   bool                  _do_count_invocations;  // True if we generate code to count invocations
   bool                  _do_method_data_update; // True if we generate code to update methodDataOops
   int                   _AliasLevel;            // Locally-adjusted version of AliasLevel flag.
@@ -307,6 +308,8 @@
   void          set_do_inlining(bool z)         { _do_inlining = z; }
   bool              do_scheduling() const       { return _do_scheduling; }
   void          set_do_scheduling(bool z)       { _do_scheduling = z; }
+  bool              do_freq_based_layout() const{ return _do_freq_based_layout; }
+  void          set_do_freq_based_layout(bool z){ _do_freq_based_layout = z; }
   bool              do_count_invocations() const{ return _do_count_invocations; }
   void          set_do_count_invocations(bool z){ _do_count_invocations = z; }
   bool              do_method_data_update() const { return _do_method_data_update; }