| Index: src/objects.cc
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| diff --git a/src/objects.cc b/src/objects.cc
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| index 2e9badbb2aa073a3eb684b201fab60cec913ec68..2e2fc2d5ad80b21e5854af7b4bf6b363778a2fe8 100644
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| --- a/src/objects.cc
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| +++ b/src/objects.cc
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| @@ -2719,6 +2719,7 @@ MaybeObject* Map::GeneralizeRepresentation(int modify_index,
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|        Handle<Map>(new_map);
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|        return maybe_map;
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|      }
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| +    new_map->set_migration_target(true);
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|    }
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|  
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|    new_map->set_owns_descriptors(true);
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| @@ -6517,6 +6518,7 @@ MaybeObject* Map::CopyNormalized(PropertyNormalizationMode mode,
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|  
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|    result->set_is_shared(sharing == SHARED_NORMALIZED_MAP);
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|    result->set_dictionary_map(true);
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| +  result->set_migration_target(false);
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|  
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|  #ifdef VERIFY_HEAP
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|    if (FLAG_verify_heap && result->is_shared()) {
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| 
 |