[Intepreter] Don't throw reference errors for globals in typeof.

src/interpreter/bytecode-array-builder.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_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include <vector>
 
 #include "src/ast.h"
@@ skipping 64 matching lines @@
   BytecodeArrayBuilder& LoadLiteral(v8::internal::Smi* value);
   BytecodeArrayBuilder& LoadLiteral(Handle<Object> object);
   BytecodeArrayBuilder& LoadUndefined();
   BytecodeArrayBuilder& LoadNull();
   BytecodeArrayBuilder& LoadTheHole();
   BytecodeArrayBuilder& LoadTrue();
   BytecodeArrayBuilder& LoadFalse();
 
   // Global loads to the accumulator and stores from the accumulator.
   BytecodeArrayBuilder& LoadGlobal(size_t name_index, int feedback_slot,
-                                   LanguageMode language_mode);
+                                   LanguageMode language_mode,
+                                   TypeofMode typeof_mode);
   BytecodeArrayBuilder& StoreGlobal(size_t name_index, int feedback_slot,
                                     LanguageMode language_mode);
 
   // Load the object at |slot_index| in |context| into the accumulator.
   BytecodeArrayBuilder& LoadContextSlot(Register context, int slot_index);
 
   // Stores the object in the accumulator into |slot_index| of |context|.
   BytecodeArrayBuilder& StoreContextSlot(Register context, int slot_index);
 
   // Register-accumulator transfers.
@@ skipping 105 matching lines @@
   Isolate* isolate() const { return isolate_; }
 
   static Bytecode BytecodeForBinaryOperation(Token::Value op);
   static Bytecode BytecodeForCountOperation(Token::Value op);
   static Bytecode BytecodeForCompareOperation(Token::Value op);
   static Bytecode BytecodeForWideOperands(Bytecode bytecode);
   static Bytecode BytecodeForLoadIC(LanguageMode language_mode);
   static Bytecode BytecodeForKeyedLoadIC(LanguageMode language_mode);
   static Bytecode BytecodeForStoreIC(LanguageMode language_mode);
   static Bytecode BytecodeForKeyedStoreIC(LanguageMode language_mode);
-  static Bytecode BytecodeForLoadGlobal(LanguageMode language_mode);
+  static Bytecode BytecodeForLoadGlobal(LanguageMode language_mode,
+                                        TypeofMode typeof_mode);
   static Bytecode BytecodeForStoreGlobal(LanguageMode language_mode);
   static Bytecode BytecodeForCreateArguments(CreateArgumentsType type);
   static Bytecode BytecodeForDelete(LanguageMode language_mode);
 
   static bool FitsInIdx8Operand(int value);
   static bool FitsInIdx8Operand(size_t value);
   static bool FitsInImm8Operand(int value);
   static bool FitsInIdx16Operand(int value);
   static bool FitsInIdx16Operand(size_t value);
 
@@ skipping 120 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_