{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"debug!(\"check_overloaded_binop(expr.hir_id={},"}]}
        debug!("check_overloaded_binop(expr.hir_id={}, op={:?})", expr.hir_id, op);
    ) -> (Ty<'tcx>, Ty<'tcx>, Ty<'tcx>) {