Starting using GlobalDictionary for global objects instead of NameDictionary.

src/objects-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/heap/objects-visiting.h"
 #include "src/jsregexp.h"
@@ skipping 1046 matching lines @@
 
 #ifdef DEBUG
 
 void JSObject::IncrementSpillStatistics(SpillInformation* info) {
   info->number_of_objects_++;
   // Named properties
   if (HasFastProperties()) {
     info->number_of_objects_with_fast_properties_++;
     info->number_of_fast_used_fields_   += map()->NextFreePropertyIndex();
     info->number_of_fast_unused_fields_ += map()->unused_property_fields();
+  } else if (IsGlobalObject()) {
+    GlobalDictionary* dict = global_dictionary();
+    info->number_of_slow_used_properties_ += dict->NumberOfElements();
+    info->number_of_slow_unused_properties_ +=
+        dict->Capacity() - dict->NumberOfElements();
   } else {
     NameDictionary* dict = property_dictionary();
     info->number_of_slow_used_properties_ += dict->NumberOfElements();
     info->number_of_slow_unused_properties_ +=
         dict->Capacity() - dict->NumberOfElements();
   }
   // Indexed properties
   switch (GetElementsKind()) {
     case FAST_HOLEY_SMI_ELEMENTS:
     case FAST_SMI_ELEMENTS:
@@ skipping 199 matching lines @@
                          ? it.rinfo()->target_cell()
                          : it.rinfo()->target_object();
     CHECK(!CanLeak(target, heap, skip_weak_cell));
   }
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal