Make Win64 compile.

src/serialize.cc

 // Copyright 2011 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 613 matching lines @@
     ASSERT(!SpaceIsPaged(space_index) ||
            size <= Page::kPageSize - Page::kObjectStartOffset);
     MaybeObject* maybe_new_allocation;
     if (space_index == NEW_SPACE) {
       maybe_new_allocation =
           reinterpret_cast<NewSpace*>(space)->AllocateRaw(size);
     } else {
       maybe_new_allocation =
           reinterpret_cast<PagedSpace*>(space)->AllocateRaw(size);
     }
+    ASSERT(!maybe_new_allocation->IsFailure());
     Object* new_allocation = maybe_new_allocation->ToObjectUnchecked();
     HeapObject* new_object = HeapObject::cast(new_allocation);
     address = new_object->address();
     high_water_[space_index] = address + size;
   } else {
     ASSERT(SpaceIsLarge(space_index));
     LargeObjectSpace* lo_space = reinterpret_cast<LargeObjectSpace*>(space);
     Object* new_allocation;
     if (space_index == kLargeData) {
       new_allocation = lo_space->AllocateRawData(size)->ToObjectUnchecked();
@@ skipping 40 matching lines @@
   ASSERT(SpaceIsPaged(space));
   int page_of_pointee = offset >> kPageSizeBits;
   Address object_address = pages_[space][page_of_pointee] +
                            (offset & Page::kPageAlignmentMask);
   return HeapObject::FromAddress(object_address);
 }
 
 
 void Deserializer::Deserialize() {
   isolate_ = Isolate::Current();
+  ASSERT(isolate_ != NULL);
   // Don't GC while deserializing - just expand the heap.
   Address* store_buffer_top =
       reinterpret_cast<Address*>(isolate_->heap()->store_buffer_top());
   AlwaysAllocateScope always_allocate;
   // Don't use the free lists while deserializing.
   LinearAllocationScope allocate_linearly;
   // No active threads.
   ASSERT_EQ(NULL, isolate_->thread_manager()->FirstThreadStateInUse());
   // No active handles.
   ASSERT(isolate_->handle_scope_implementer()->blocks()->is_empty());
@@ skipping 897 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal