{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"if"}]}
                if let ProjectionElem::ConstantIndex { offset, from_end, .. } = last_proj {
                let last_proj = child_move_path.place.projection.last().unwrap();
                    debug_assert!(!from_end, "Array constant indexing shouldn't be `from_end`.");