Add code age subtype tracking to --track-gc-object-stats

src/builtins.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 32 matching lines @@
   V(Quinquagenarian, A)                  \
   V(Sexagenarian, A)                     \
   V(Septuagenarian, A)                   \
   V(Octogenarian, A)
 
 #define CODE_AGE_LIST_IGNORE_ARG(X, V) V(X)
 
 #define CODE_AGE_LIST(V) \
   CODE_AGE_LIST_WITH_ARG(CODE_AGE_LIST_IGNORE_ARG, V)
 
+#define CODE_AGE_LIST_WITH_NO_AGE(V)               \
+  V(NoAge)                                         \
+  CODE_AGE_LIST_WITH_ARG(CODE_AGE_LIST_IGNORE_ARG, V)
+
 #define DECLARE_CODE_AGE_BUILTIN(C, V)             \
   V(Make##C##CodeYoungAgainOddMarking, BUILTIN,    \
     UNINITIALIZED, Code::kNoExtraICState)          \
   V(Make##C##CodeYoungAgainEvenMarking, BUILTIN,   \
     UNINITIALIZED, Code::kNoExtraICState)
 
 
 // Define list of builtins implemented in C++.
 #define BUILTIN_LIST_C(V)                                           \
   V(Illegal, NO_EXTRA_ARGUMENTS)                                    \
@@ skipping 364 matching lines @@
 
   friend class BuiltinFunctionTable;
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(Builtins);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_BUILTINS_H_