X64: Omitted creating native builtins and using them in test-heap.

src/heap.cc

 // Copyright 2009 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 782 matching lines @@
     // mark-compact collector.
     ASSERT(!Page::IsRSetSet(reinterpret_cast<Address>(p), 0));
     if (Heap::InNewSpace(*p)) {
       Page::SetRSet(reinterpret_cast<Address>(p), 0);
     }
   }
 };
 
 
 int Heap::UpdateRSet(HeapObject* obj) {
+#ifndef V8_HOST_ARCH_64_BIT
+  // TODO(X64) Reenable RSet when we have a working 64-bit layout of Page.
   ASSERT(!InNewSpace(obj));
   // Special handling of fixed arrays to iterate the body based on the start
   // address and offset.  Just iterating the pointers as in UpdateRSetVisitor
   // will not work because Page::SetRSet needs to have the start of the
   // object.
   if (obj->IsFixedArray()) {
     FixedArray* array = FixedArray::cast(obj);
     int length = array->length();
     for (int i = 0; i < length; i++) {
       int offset = FixedArray::kHeaderSize + i * kPointerSize;
       ASSERT(!Page::IsRSetSet(obj->address(), offset));
       if (Heap::InNewSpace(array->get(i))) {
         Page::SetRSet(obj->address(), offset);
       }
     }
   } else if (!obj->IsCode()) {
     // Skip code object, we know it does not contain inter-generational
     // pointers.
     UpdateRSetVisitor v;
     obj->Iterate(&v);
   }
+#endif  // V8_HOST_ARCH_64_BIT
   return obj->Size();
 }
 
 
 void Heap::RebuildRSets() {
   // By definition, we do not care about remembered set bits in code or data
   // spaces.
   map_space_->ClearRSet();
   RebuildRSets(map_space_);
 
@@ skipping 2622 matching lines @@
 #ifdef DEBUG
 bool Heap::GarbageCollectionGreedyCheck() {
   ASSERT(FLAG_gc_greedy);
   if (Bootstrapper::IsActive()) return true;
   if (disallow_allocation_failure()) return true;
   return CollectGarbage(0, NEW_SPACE);
 }
 #endif
 
 } }  // namespace v8::internal