{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
                    // ignore unsatisfied predicates generated from trying to auto-ref ty (#127511)
                self.tcx.is_diagnostic_item(sym::Iterator, trait_pred.trait_ref.def_id)
                    && trait_pred.trait_ref.self_ty() == ty