{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"if"}]}
            if let hir::ExprKind::AddrOf(_, _, borrowed_expr) = expr.kind
            // This is a borrow span, so we want to suggest cloning the referent.
                && let Some(ty) = typeck_results.expr_ty_opt(borrowed_expr)