Cleanup FooSpace::VerifyObject and ElementsAccessor::Validate.

src/elements.cc

 // Copyright 2012 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 563 matching lines @@
   virtual ElementsKind kind() const { return ElementsTraits::Kind; }
 
   static void ValidateContents(JSObject* holder, int length) {
   }
 
   static void ValidateImpl(JSObject* holder) {
     FixedArrayBase* fixed_array_base = holder->elements();
     // When objects are first allocated, its elements are Failures.
     if (fixed_array_base->IsFailure()) return;
     if (!fixed_array_base->IsHeapObject()) return;
-    Map* map = fixed_array_base->map();
     // Arrays that have been shifted in place can't be verified.
-    Heap* heap = holder->GetHeap();
-    if (map == heap->one_pointer_filler_map() ||
-        map == heap->two_pointer_filler_map() ||
-        map == heap->free_space_map()) {
-      return;
-    }
+    if (fixed_array_base->IsFiller()) return;
     int length = 0;
     if (holder->IsJSArray()) {
       Object* length_obj = JSArray::cast(holder)->length();
       if (length_obj->IsSmi()) {
         length = Smi::cast(length_obj)->value();
       }
     } else {
       length = fixed_array_base->length();
     }
     ElementsAccessorSubclass::ValidateContents(holder, length);
@@ skipping 1462 matching lines @@
       UNREACHABLE();
       break;
   }
 
   array->set_elements(elms);
   array->set_length(Smi::FromInt(number_of_elements));
   return array;
 }
 
 } }  // namespace v8::internal