Copy-on-write arrays.

src/v8-counters.h

 // Copyright 2007-2008 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 102 matching lines @@
   SC(total_compiled_code_size, V8.TotalCompiledCodeSize)              \
   SC(gc_compactor_caused_by_request, V8.GCCompactorCausedByRequest)   \
   SC(gc_compactor_caused_by_promoted_data,                            \
      V8.GCCompactorCausedByPromotedData)                              \
   SC(gc_compactor_caused_by_oldspace_exhaustion,                      \
      V8.GCCompactorCausedByOldspaceExhaustion)                        \
   SC(gc_compactor_caused_by_weak_handles,                             \
      V8.GCCompactorCausedByWeakHandles)                               \
   SC(gc_last_resort_from_js, V8.GCLastResortFromJS)                   \
   SC(gc_last_resort_from_handles, V8.GCLastResortFromHandles)         \
+  SC(map_slow_to_fast_elements, V8.MapSlowToFastElements)             \
+  SC(map_fast_to_slow_elements, V8.MapFastToSlowElements)             \
   /* How is the generic keyed-load stub used? */                      \
   SC(keyed_load_generic_smi, V8.KeyedLoadGenericSmi)                  \
   SC(keyed_load_generic_symbol, V8.KeyedLoadGenericSymbol)            \
   SC(keyed_load_generic_lookup_cache, V8.KeyedLoadGenericLookupCache) \
   SC(keyed_load_generic_slow, V8.KeyedLoadGenericSlow)                \
   SC(keyed_load_external_array_slow, V8.KeyedLoadExternalArraySlow)   \
   /* How is the generic keyed-call stub used? */                      \
   SC(keyed_call_generic_smi_fast, V8.KeyedCallGenericSmiFast)         \
   SC(keyed_call_generic_smi_dict, V8.KeyedCallGenericSmiDict)         \
   SC(keyed_call_generic_lookup_cache, V8.KeyedCallGenericLookupCache) \
@@ skipping 15 matching lines @@
   SC(named_load_inline_miss, V8.NamedLoadInlineMiss)                  \
   SC(named_load_global_inline, V8.NamedLoadGlobalInline)              \
   SC(named_load_global_inline_miss, V8.NamedLoadGlobalInlineMiss)     \
   SC(keyed_store_field, V8.KeyedStoreField)                           \
   SC(keyed_store_inline, V8.KeyedStoreInline)                         \
   SC(keyed_store_inline_miss, V8.KeyedStoreInlineMiss)                \
   SC(named_store_global_inline, V8.NamedStoreGlobalInline)            \
   SC(named_store_global_inline_miss, V8.NamedStoreGlobalInlineMiss)   \
   SC(store_normal_miss, V8.StoreNormalMiss)                           \
   SC(store_normal_hit, V8.StoreNormalHit)                             \
+  SC(cow_arrays_created_stub, V8.COWArraysCreatedStub)                \
+  SC(cow_arrays_created_runtime, V8.COWArraysCreatedRuntime)          \
+  SC(cow_arrays_converted, V8.COWArraysConverted)                     \
   SC(call_miss, V8.CallMiss)                                          \
   SC(keyed_call_miss, V8.KeyedCallMiss)                               \
   SC(load_miss, V8.LoadMiss)                                          \
   SC(keyed_load_miss, V8.KeyedLoadMiss)                               \
   SC(call_const, V8.CallConst)                                        \
   SC(call_const_fast_api, V8.CallConstFastApi)                        \
   SC(call_const_interceptor, V8.CallConstInterceptor)                 \
   SC(call_const_interceptor_fast_api, V8.CallConstInterceptorFastApi) \
   SC(call_global_inline, V8.CallGlobalInline)                         \
   SC(call_global_inline_miss, V8.CallGlobalInlineMiss)                \
@@ skipping 73 matching lines @@
     stats_counter_count
   };
 
   // Sliding state window counters.
   static StatsCounter state_counters[];
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_COUNTERS_H_