{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"//"}]}
            // We approximate constness using SSAness.
            // `place == (*some_local).xxx`, it is constant only if `some_local` is constant.
            ssa.is_ssa(place.local) && place.projection[1..].iter().all(PlaceElem::is_stable_offset)