Kiss goodbye to MaybeObject.

src/handles-inl.h

 // Copyright 2006-2008 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_HANDLES_INL_H_
 #define V8_HANDLES_INL_H_
 
 #include "api.h"
 #include "handles.h"
 #include "heap.h"
 #include "isolate.h"
 
 namespace v8 {
 namespace internal {
 
 template<typename T>
 Handle<T>::Handle(T* obj) {
-  ASSERT(!obj->IsFailure());
   location_ = HandleScope::CreateHandle(obj->GetIsolate(), obj);
 }
 
 
 template<typename T>
 Handle<T>::Handle(T* obj, Isolate* isolate) {
-  ASSERT(!obj->IsFailure());
   location_ = HandleScope::CreateHandle(isolate, obj);
 }
 
 
 template <typename T>
 inline bool Handle<T>::is_identical_to(const Handle<T> o) const {
-  ASSERT(location_ == NULL || !(*location_)->IsFailure());
   // Dereferencing deferred handles to check object equality is safe.
   SLOW_ASSERT(
       (location_ == NULL || IsDereferenceAllowed(NO_DEFERRED_CHECK)) &&
       (o.location_ == NULL || o.IsDereferenceAllowed(NO_DEFERRED_CHECK)));
   if (location_ == o.location_) return true;
   if (location_ == NULL || o.location_ == NULL) return false;
   return *location_ == *o.location_;
 }
 
 
 template <typename T>
 inline T* Handle<T>::operator*() const {
-  ASSERT(location_ != NULL && !(*location_)->IsFailure());
   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(INCLUDE_DEFERRED_CHECK));
   return location_;
 }
 
 #ifdef DEBUG
 template <typename T>
 bool Handle<T>::IsDereferenceAllowed(DereferenceCheckMode mode) const {
   ASSERT(location_ != NULL);
   Object* object = *BitCast<T**>(location_);
@@ skipping 115 matching lines @@
   current->level = level_;
   ASSERT_EQ(current->next, current->limit);
   current->limit = limit_;
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_HANDLES_INL_H_