ES6 Map/Set iterators/forEach improvements

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5665 matching lines @@
   }                                                                  \
   template<class Derived, class TableType>                           \
   void OrderedHashTableIterator<Derived, TableType>::set_##name(     \
       type* value, WriteBarrierMode mode) {                          \
     WRITE_FIELD(this, offset, value);                                \
     CONDITIONAL_WRITE_BARRIER(GetHeap(), this, offset, value, mode); \
   }
 
 ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(table, Object, kTableOffset)
 ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(index, Smi, kIndexOffset)
-ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(count, Smi, kCountOffset)
 ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(kind, Smi, kKindOffset)
-ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(next_iterator, Object,
-                                      kNextIteratorOffset)
-ORDERED_HASH_TABLE_ITERATOR_ACCESSORS(previous_iterator, Object,
-                                      kPreviousIteratorOffset)
 
 #undef ORDERED_HASH_TABLE_ITERATOR_ACCESSORS
 
 
 ACCESSORS(JSWeakCollection, table, Object, kTableOffset)
 ACCESSORS(JSWeakCollection, next, Object, kNextOffset)
 
 
 Address Foreign::foreign_address() {
   return AddressFrom<Address>(READ_INTPTR_FIELD(this, kForeignAddressOffset));
@@ skipping 1156 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_