More efficient use of space in AllocationSite.

src/heap.cc

 // 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 507 matching lines @@
     bool use_scratchpad =
         allocation_sites_scratchpad_length < kAllocationSiteScratchpadSize;
 
     int i = 0;
     Object* list_element = allocation_sites_list();
     while (use_scratchpad ?
               i < allocation_sites_scratchpad_length :
               list_element->IsAllocationSite()) {
       AllocationSite* site = use_scratchpad ?
         allocation_sites_scratchpad[i] : AllocationSite::cast(list_element);
-      allocation_mementos_found += site->memento_found_count()->value();
-      if (site->memento_found_count()->value() > 0) {
+      allocation_mementos_found += site->memento_found_count();
+      if (site->memento_found_count() > 0) {
         active_allocation_sites++;
       }
       if (site->DigestPretenuringFeedback()) {
         if (site->GetPretenureMode() == TENURED) {
           tenure_decisions++;
         } else {
           dont_tenure_decisions++;
         }
       }
       allocation_sites++;
@@ skipping 7195 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   OS::MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   OS::MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal