[not for landing] Re-shuffle AllocationSite members

src/objects.h

 // Copyright 2015 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 8089 matching lines @@
   };
 
   const char* PretenureDecisionName(PretenureDecision decision);
 
   DECL_ACCESSORS(transition_info, Object)
   // nested_site threads a list of sites that represent nested literals
   // walked in a particular order. So [[1, 2], 1, 2] will have one
   // nested_site, but [[1, 2], 3, [4]] will have a list of two.
   DECL_ACCESSORS(nested_site, Object)
   DECL_INT_ACCESSORS(pretenure_data)
-  DECL_INT_ACCESSORS(pretenure_create_count)
   DECL_ACCESSORS(dependent_code, DependentCode)
   DECL_ACCESSORS(weak_next, Object)
 
   inline void Initialize();
 
   // This method is expensive, it should only be called for reporting.
   bool IsNestedSite();
 
   // transition_info bitfields, for constructed array transition info.
   class ElementsKindBits:       public BitField<ElementsKind, 0,  15> {};
   class UnusedBits:             public BitField<int,          15, 14> {};
   class DoNotInlineBit:         public BitField<bool,         29,  1> {};
 
   // Bitfields for pretenure_data
+  class MementoCreatedCountBits:public BitField<int,               0, 26> {};
   class PretenureDecisionBits:  public BitField<PretenureDecision, 26, 3> {};
   class DeoptDependentCodeBit:  public BitField<bool,              29, 1> {};
   STATIC_ASSERT(PretenureDecisionBits::kMax >= kLastPretenureDecisionValue);
 
   inline void IncrementMementoCreateCount();
 
   PretenureFlag GetPretenureMode();
 
   void ResetPretenureDecision();
 
@@ skipping 39 matching lines @@
 
   DECLARE_CAST(AllocationSite)
   static inline AllocationSiteMode GetMode(
       ElementsKind boilerplate_elements_kind);
   static inline AllocationSiteMode GetMode(ElementsKind from, ElementsKind to);
   static inline bool CanTrack(InstanceType type);
 
   static const int kTransitionInfoOffset = HeapObject::kHeaderSize;
   static const int kNestedSiteOffset = kTransitionInfoOffset + kPointerSize;
   static const int kPretenureDataOffset = kNestedSiteOffset + kPointerSize;
-  static const int kPretenureCreateCountOffset =
-      kPretenureDataOffset + kPointerSize;
-  static const int kDependentCodeOffset =
-      kPretenureCreateCountOffset + kPointerSize;
+  static const int kDependentCodeOffset = kPretenureDataOffset + kPointerSize;
   static const int kWeakNextOffset = kDependentCodeOffset + kPointerSize;
   static const int kSize = kWeakNextOffset + kPointerSize;
 
   // During mark compact we need to take special care for the dependent code
   // field.
   static const int kPointerFieldsBeginOffset = kTransitionInfoOffset;
   static const int kPointerFieldsEndOffset = kWeakNextOffset;
 
   // For other visitors, use the fixed body descriptor below.
   typedef FixedBodyDescriptor<HeapObject::kHeaderSize,
@@ skipping 2514 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_