--- old/src/share/vm/runtime/vmStructs.cpp	2013-04-17 20:14:25.414654583 +0400
+++ new/src/share/vm/runtime/vmStructs.cpp	2013-04-17 20:14:24.982654599 +0400
@@ -826,6 +826,7 @@
   nonstatic_field(nmethod,             _lock_count,                                   jint)                                  \
   nonstatic_field(nmethod,             _stack_traversal_mark,                         long)                                  \
   nonstatic_field(nmethod,             _compile_id,                                   int)                                   \
+  nonstatic_field(nmethod,             _comp_level,                                   int)                                   \
   nonstatic_field(nmethod,             _exception_cache,                              ExceptionCache*)                       \
   nonstatic_field(nmethod,             _marked_for_deoptimization,                    bool)                                  \
                                                                                                                              \