[strong] Implement strong mode restrictions on property access

src/hydrogen.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_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 313 matching lines @@
   bool CheckConstPhiUses();
 
   void CollectPhis();
 
   HConstant* GetConstantUndefined();
   HConstant* GetConstant0();
   HConstant* GetConstant1();
   HConstant* GetConstantMinus1();
   HConstant* GetConstantTrue();
   HConstant* GetConstantFalse();
+  HConstant* GetConstantBool(bool value);
   HConstant* GetConstantHole();
   HConstant* GetConstantNull();
   HConstant* GetInvalidContext();
 
   bool IsConstantUndefined(HConstant* constant);
   bool IsConstant0(HConstant* constant);
   bool IsConstant1(HConstant* constant);
   bool IsConstantMinus1(HConstant* constant);
   bool IsConstantTrue(HConstant* constant);
   bool IsConstantFalse(HConstant* constant);
@@ skipping 1001 matching lines @@
   // case "true" of continuation is taken, otherwise the "false"
   void BuildTestForDictionaryProperties(HValue* object,
                                         HIfContinuation* continuation);
 
   void BuildNonGlobalObjectCheck(HValue* receiver);
 
   HValue* BuildKeyedLookupCacheHash(HValue* object,
                                     HValue* key);
 
   HValue* BuildUncheckedDictionaryElementLoad(HValue* receiver,
-                                              HValue* elements,
-                                              HValue* key,
-                                              HValue* hash);
+                                              HValue* elements, HValue* key,
+                                              HValue* hash, Strength strength);
 
   HValue* BuildRegExpConstructResult(HValue* length,
                                      HValue* index,
                                      HValue* input);
 
   // Allocates a new object according with the given allocation properties.
   HAllocate* BuildAllocate(HValue* object_size,
                            HType type,
                            InstanceType instance_type,
                            HAllocationMode allocation_mode);
@@ skipping 1675 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_