{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"&&"}]}
            && !self.tcx.is_lang_item(tpred.trait_ref.def_id, LangItem::Sized)
                self.shallow_resolve(tpred.self_ty()).ty_vid().map(|t| self.root_var(t))
        {