{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"if"}]}
                    if let Err(guar) = hir_ty.error_reported() {
                    let hir_ty = tcx.type_of_opaque_hir_typeck(def_id).instantiate_identity();
                        Ty::new_error(tcx, guar)