Merge up to 8597 to experimental/gc from the bleeding edge.

src/spaces.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 2496 matching lines @@
     // in map space.
     Map* map = object->map();
     ASSERT(map->IsMap());
     ASSERT(heap()->map_space()->Contains(map));
 
     // We have only code, sequential strings, external strings
     // (sequential strings that have been morphed into external
     // strings), fixed arrays, and byte arrays in large object space.
     ASSERT(object->IsCode() || object->IsSeqString() ||
            object->IsExternalString() || object->IsFixedArray() ||
-           object->IsByteArray());
+           object->IsFixedDoubleArray() || object->IsByteArray());
 
     // The object itself should look OK.
     object->Verify();
 
     // Byte arrays and strings don't have interior pointers.
     if (object->IsCode()) {
       VerifyPointersVisitor code_visitor;
       object->IterateBody(map->instance_type(),
                           object->Size(),
                           &code_visitor);
@@ skipping 42 matching lines @@
   for (HeapObject* obj = obj_it.Next(); obj != NULL; obj = obj_it.Next()) {
     if (obj->IsCode()) {
       Code* code = Code::cast(obj);
       isolate->code_kind_statistics()[code->kind()] += code->Size();
     }
   }
 }
 #endif  // DEBUG
 
 } }  // namespace v8::internal