Remove unused byte from Map::instance_sizes field.

src/objects-printer.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 394 matching lines @@
   os << "\n - private: " << is_private();
   os << "\n";
 }
 
 
 void Map::MapPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Map");
   os << " - type: " << TypeToString(instance_type()) << "\n";
   os << " - instance size: " << instance_size() << "\n";
   os << " - inobject properties: " << inobject_properties() << "\n";
-  os << " - elements kind: " << ElementsKindToString(elements_kind());
-  os << "\n - pre-allocated property fields: "
-     << pre_allocated_property_fields() << "\n";
+  os << " - elements kind: " << ElementsKindToString(elements_kind()) << "\n";
   os << " - unused property fields: " << unused_property_fields() << "\n";
   if (is_deprecated()) os << " - deprecated_map\n";
   if (is_stable()) os << " - stable_map\n";
   if (is_dictionary_map()) os << " - dictionary_map\n";
   if (is_hidden_prototype()) os << " - hidden_prototype\n";
   if (has_named_interceptor()) os << " - named_interceptor\n";
   if (has_indexed_interceptor()) os << " - indexed_interceptor\n";
   if (is_undetectable()) os << " - undetectable\n";
   if (has_instance_call_handler()) os << " - instance_call_handler\n";
   if (is_access_check_needed()) os << " - access_check_needed\n";
@@ skipping 745 matching lines @@
   }
 }
 
 
 void JSObject::PrintTransitions(std::ostream& os) {  // NOLINT
   TransitionArray::PrintTransitions(os, map()->raw_transitions());
 }
 #endif  // defined(DEBUG) || defined(OBJECT_PRINT)
 }  // namespace internal
 }  // namespace v8