Fix incorrect ASSERT when recording code age stats.

src/heap.h

 // Copyright 2012 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 1805 matching lines @@
   };
 
   void RecordObjectStats(InstanceType type, size_t size) {
     ASSERT(type <= LAST_TYPE);
     object_counts_[type]++;
     object_sizes_[type] += size;
   }
 
   void RecordCodeSubTypeStats(int code_sub_type, int code_age, size_t size) {
     ASSERT(code_sub_type < Code::NUMBER_OF_KINDS);
-    ASSERT(code_age < Code::kLastCodeAge);
+    ASSERT(code_age <= Code::kLastCodeAge);
     object_counts_[FIRST_CODE_KIND_SUB_TYPE + code_sub_type]++;
     object_sizes_[FIRST_CODE_KIND_SUB_TYPE + code_sub_type] += size;
     object_counts_[FIRST_CODE_AGE_SUB_TYPE + code_age]++;
     object_sizes_[FIRST_CODE_AGE_SUB_TYPE + code_age] += size;
   }
 
   void RecordFixedArraySubTypeStats(int array_sub_type, size_t size) {
     ASSERT(array_sub_type <= LAST_FIXED_ARRAY_SUB_TYPE);
     object_counts_[FIRST_FIXED_ARRAY_SUB_TYPE + array_sub_type]++;
     object_sizes_[FIRST_FIXED_ARRAY_SUB_TYPE + array_sub_type] += size;
@@ skipping 1233 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_