Cosmetic change to the handle dereference check.

src/handles-inl.h

 // Copyright 2006-2008 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 39 matching lines @@
   location_ = HandleScope::CreateHandle(isolate, obj);
 }
 
 
 template <typename T>
 inline bool Handle<T>::is_identical_to(const Handle<T> other) const {
   ASSERT(location_ == NULL || !(*location_)->IsFailure());
   if (location_ == other.location_) return true;
   if (location_ == NULL || other.location_ == NULL) return false;
   // Dereferencing deferred handles to check object equality is safe.
-  SLOW_ASSERT(IsDereferenceAllowed(true) && other.IsDereferenceAllowed(true));
+  SLOW_ASSERT(IsDereferenceAllowed(NO_DEFERRED_CHECK) &&
+              other.IsDereferenceAllowed(NO_DEFERRED_CHECK));
   return *location_ == *other.location_;
 }
 
 
 template <typename T>
 inline T* Handle<T>::operator*() const {
   ASSERT(location_ != NULL && !(*location_)->IsFailure());
-  SLOW_ASSERT(IsDereferenceAllowed(false));
+  SLOW_ASSERT(IsDereferenceAllowed(INCLUDE_DEFERRED_CHECK));
   return *BitCast<T**>(location_);
 }
 
 template <typename T>
 inline T** Handle<T>::location() const {
   ASSERT(location_ == NULL || !(*location_)->IsFailure());
-  SLOW_ASSERT(location_ == NULL || IsDereferenceAllowed(false));
+  SLOW_ASSERT(location_ == NULL ||
+              IsDereferenceAllowed(INCLUDE_DEFERRED_CHECK));
   return location_;
 }
 
 #ifdef DEBUG
 template <typename T>
-bool Handle<T>::IsDereferenceAllowed(bool explicitly_allow_deferred) const {
+bool Handle<T>::IsDereferenceAllowed(DereferenceCheckMode mode) const {
   ASSERT(location_ != NULL);
   Object* object = *BitCast<T**>(location_);
   if (object->IsSmi()) return true;
   HeapObject* heap_object = HeapObject::cast(object);
   Isolate* isolate = heap_object->GetIsolate();
   Object** handle = reinterpret_cast<Object**>(location_);
   Object** roots_array_start = isolate->heap()->roots_array_start();
   if (roots_array_start <= handle &&
       handle < roots_array_start + Heap::kStrongRootListLength) {
     return true;
   }
   if (!AllowHandleDereference::IsAllowed()) return false;
-  if (!explicitly_allow_deferred &&
+  if (mode == INCLUDE_DEFERRED_CHECK &&
       !AllowDeferredHandleDereference::IsAllowed()) {
     // Accessing maps and internalized strings is safe.
     if (heap_object->IsMap()) return true;
     if (heap_object->IsInternalizedString()) return true;
     return !isolate->IsDeferredHandle(handle);
   }
   return true;
 }
 #endif
 
@@ skipping 96 matching lines @@
   current->level = level_;
   ASSERT_EQ(current->next, current->limit);
   current->limit = limit_;
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_HANDLES_INL_H_