CompositeDataSetRange does not work correctly for AMR
CompositeDataSetRange has potentailly access flat index for an iterator location at the end. This is invalid and not uspported for AMR, causing issues. See !7745 (merged)
CompositeDataSetRange has potentailly access flat index for an iterator location at the end. This is invalid and not uspported for AMR, causing issues. See !7745 (merged)