Removed unnecessary generalization of all fields in Map::GeneralizeRepresentation() (introduced in …

src/objects.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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 6346 matching lines @@
   // Zaps the contents of backing data structures. Note that the
   // heap verifier (i.e. VerifyMarkingVisitor) relies on zapping of objects
   // holding weak references when incremental marking is used, because it also
   // iterates over objects that are otherwise unreachable.
   // In general we only want to call these functions in release mode when
   // heap verification is turned on.
   void ZapPrototypeTransitions();
   void ZapTransitions();
 
   void DeprecateTransitionTree();
-  void DeprecateTarget(Name* key, DescriptorArray* new_descriptors,
+  bool DeprecateTarget(Name* key, DescriptorArray* new_descriptors,
                        LayoutDescriptor* new_layout_descriptor);
 
   Map* FindLastMatchMap(int verbatim, int length, DescriptorArray* descriptors);
 
   void UpdateFieldType(int descriptor_number, Handle<Name> name,
                        Representation new_representation,
                        Handle<HeapType> new_type);
 
   void PrintGeneralization(FILE* file,
                            const char* reason,
@@ skipping 4591 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_