[Interpreter] Add support for property load operations.

src/interpreter/bytecode-generator.h

 // Copyright 2015 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_INTERPRETER_BYTECODE_GENERATOR_H_
 #define V8_INTERPRETER_BYTECODE_GENERATOR_H_
 
 #include "src/ast.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/bytecodes.h"
@@ skipping 13 matching lines @@
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
  private:
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
 
   void VisitArithmeticExpression(BinaryOperation* binop);
 
   inline BytecodeArrayBuilder& builder() { return builder_; }
   inline Scope* scope() const { return scope_; }
-  inline void set_scope(Scope* s) { scope_ = s; }
+  inline void set_scope(Scope* scope) { scope_ = scope; }
+  inline CompilationInfo* info() const { return info_; }
+  inline void set_info(CompilationInfo* info) { info_ = info; }
+
+  LanguageMode language_mode() const;
+  int feedback_index(FeedbackVectorICSlot slot) const;
 
   BytecodeArrayBuilder builder_;
+  CompilationInfo* info_;
   Scope* scope_;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_GENERATOR_H_