{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"assert!(!ty.has_non_region_param());"}]}
                    assert!(!ty.has_non_region_param());
                        self.tcx.type_of(id.owner_id.to_def_id()).instantiate(self.tcx, id_args);
                    visit_drop_use(self.tcx, ty, true, DUMMY_SP, self.output);