A64: Synchronize with r18642.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5665 matching lines @@
                                       Handle<Object> object);
   void UpdateToFinishedCode(DependencyGroup group,
                             CompilationInfo* info,
                             Code* code);
   void RemoveCompilationInfo(DependentCode::DependencyGroup group,
                              CompilationInfo* info);
 
   void DeoptimizeDependentCodeGroup(Isolate* isolate,
                                     DependentCode::DependencyGroup group);
 
+  bool MarkCodeForDeoptimization(Isolate* isolate,
+                                 DependentCode::DependencyGroup group);
+
   // The following low-level accessors should only be used by this class
   // and the mark compact collector.
   inline int number_of_entries(DependencyGroup group);
   inline void set_number_of_entries(DependencyGroup group, int value);
   inline bool is_code_at(int i);
   inline Code* code_at(int i);
   inline CompilationInfo* compilation_info_at(int i);
   inline void set_object_at(int i, Object* object);
   inline Object** slot_at(int i);
   inline Object* object_at(int i);
@@ skipping 5000 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_