{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"self.r.record_partial_res(param.id,"}]}
                        self.r.record_partial_res(param.id, PartialRes::new(Res::Err));
                        // Taint the resolution in case of errors to prevent follow up errors in typeck
                        rib.bindings.insert(ident, Res::Err);