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LibJS: Grow storage when adding a property to uniquely-shaped Object
Normally the storage would be expanded by set_shape() upon transition to a new shape, but if the shape is already unique, there is no new transition so we have to expand the storage manually.
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@ -119,6 +119,7 @@ void Object::put_own_property(Object& this_object, const FlyString& property_nam
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if (!metadata.has_value()) {
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if (m_shape->is_unique()) {
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m_shape->add_property_to_unique_shape(property_name, attributes);
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m_storage.resize(m_shape->property_count());
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} else {
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set_shape(*m_shape->create_put_transition(property_name, attributes));
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}
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