A64: Synchronize with r16756.

src/hydrogen.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 1253 matching lines @@
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
   HValue* TruncateToNumber(HValue* value, Handle<Type>* expected);
 
   void PushAndAdd(HInstruction* instr);
 
   void FinishExitWithHardDeoptimization(const char* reason,
                                         HBasicBlock* continuation);
 
-  void AddIncrementCounter(StatsCounter* counter,
-                           HValue* context);
+  void AddIncrementCounter(StatsCounter* counter);
 
   class IfBuilder V8_FINAL {
    public:
     explicit IfBuilder(HGraphBuilder* builder,
                        int position = RelocInfo::kNoPosition);
     IfBuilder(HGraphBuilder* builder,
               HIfContinuation* continuation);
 
     ~IfBuilder() {
       if (!finished_) End();
@@ skipping 715 matching lines @@
                                               HValue* key,
                                               HValue* val,
                                               HValue* dependency,
                                               Handle<Map> map,
                                               bool is_store,
                                               KeyedAccessStoreMode store_mode);
 
   HValue* HandlePolymorphicElementAccess(HValue* object,
                                          HValue* key,
                                          HValue* val,
-                                         Expression* prop,
+                                         SmallMapList* maps,
                                          BailoutId ast_id,
                                          int position,
                                          bool is_store,
                                          KeyedAccessStoreMode store_mode,
                                          bool* has_side_effects);
 
   HValue* HandleKeyedElementAccess(HValue* obj,
                                    HValue* key,
                                    HValue* val,
                                    Expression* expr,
@@ skipping 279 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_