[ic] Support data handlers in LoadGlobalIC.

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 296 matching lines @@
 
 inline std::ostream& operator<<(std::ostream& os, const LanguageMode& mode) {
   switch (mode) {
     case SLOPPY: return os << "sloppy";
     case STRICT: return os << "strict";
     default: UNREACHABLE();
   }
   return os;
 }
 
-
 inline bool is_sloppy(LanguageMode language_mode) {
   return language_mode == SLOPPY;
 }
 
-
 inline bool is_strict(LanguageMode language_mode) {
   return language_mode != SLOPPY;
 }
 
-
 inline bool is_valid_language_mode(int language_mode) {
   return language_mode == SLOPPY || language_mode == STRICT;
 }
 
-
 inline LanguageMode construct_language_mode(bool strict_bit) {
   return static_cast<LanguageMode>(strict_bit);
 }
 
+enum TypeofMode : int { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
+
 // This constant is used as an undefined value when passing source positions.
 const int kNoSourcePosition = -1;
 
 // This constant is used to indicate missing deoptimization information.
 const int kNoDeoptimizationId = -1;
 
 // Mask for the sign bit in a smi.
 const intptr_t kSmiSignMask = kIntptrSignBit;
 
 const int kObjectAlignmentBits = kPointerSizeLog2;
@@ skipping 950 matching lines @@
 }  // namespace internal
 }  // namespace v8
 
 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is
 // reducing a JSArray method, or a JSTypedArray method.
 enum class ArrayIteratorKind { kArray, kTypedArray };
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_