Merged r16139 into trunk branch.

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 1236 matching lines @@
       HValue* val,
       HValue* dependency,
       ElementsKind elements_kind,
       bool is_store,
       LoadKeyedHoleMode load_mode,
       KeyedAccessStoreMode store_mode);
 
   HLoadNamedField* BuildLoadNamedField(
       HValue* object,
       HObjectAccess access,
-      HValue* typecheck = NULL);
-  HInstruction* BuildLoadStringLength(HValue* object, HValue* typecheck = NULL);
+      HValue* typecheck);
+  HInstruction* BuildLoadStringLength(HValue* object, HValue* typecheck);
   HStoreNamedField* AddStoreMapConstant(HValue *object, Handle<Map>);
-  HLoadNamedField* AddLoadElements(HValue *object, HValue *typecheck = NULL);
+  HLoadNamedField* AddLoadElements(HValue *object, HValue *typecheck);
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
   HValue* TruncateToNumber(HValue* value, Handle<Type>* expected);
 
   void PushAndAdd(HInstruction* instr);
 
   void FinishExitWithHardDeoptimization(HBasicBlock* continuation);
 
@@ skipping 758 matching lines @@
                                       Property* expr);
   HInstruction* BuildCallGetter(HValue* object,
                                 Handle<Map> map,
                                 Handle<JSFunction> getter,
                                 Handle<JSObject> holder);
   HInstruction* BuildLoadNamedMonomorphic(HValue* object,
                                           Handle<String> name,
                                           Property* expr,
                                           Handle<Map> map);
 
-  void AddCheckMap(HValue* object, Handle<Map> map);
+  HCheckMaps* AddCheckMap(HValue* object, Handle<Map> map);
 
   void BuildStoreNamed(Expression* expression,
                        BailoutId id,
                        int position,
                        BailoutId assignment_id,
                        Property* prop,
                        HValue* object,
                        HValue* store_value,
                        HValue* result_value);
 
@@ skipping 272 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_