*** old/src/share/vm/runtime/vmStructs.cpp	Tue May  6 15:13:05 2014
--- new/src/share/vm/runtime/vmStructs.cpp	Tue May  6 15:13:05 2014

*** 363,372 ****
--- 363,373 ----
    nonstatic_field(MethodData,           _arg_returned,                                 intx)                                  \
    nonstatic_field(DataLayout,           _header._struct._tag,                          u1)                                    \
    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)                                    \
    nonstatic_field(MethodCounters,       _invocation_counter,                           InvocationCounter)                     \
    nonstatic_field(MethodCounters,       _backedge_counter,                             InvocationCounter)                     \