--- old/src/share/vm/runtime/vmStructs.cpp	2014-05-07 00:02:28.000000000 -0700
+++ new/src/share/vm/runtime/vmStructs.cpp	2014-05-07 00:02:28.000000000 -0700
@@ -365,6 +365,7 @@
   nonstatic_field(DataLayout,           _header._struct._flags,                        u1)                                    \
   nonstatic_field(DataLayout,           _header._struct._bci,                          u2)                                    \
   nonstatic_field(DataLayout,           _cells[0],                                     intptr_t)                              \
+  nonstatic_field(MethodCounters,       _nmethod_age,                                  int)                                   \
   nonstatic_field(MethodCounters,       _interpreter_invocation_count,                 int)                                   \
   nonstatic_field(MethodCounters,       _interpreter_throwout_count,                   u2)                                    \
   nonstatic_field(MethodCounters,       _number_of_breakpoints,                        u2)                                    \