{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"if"}]}
        if ecx.cx().is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::MetaSized)
        // are syntactic sugar for a lack of bounds so don't need this.
            && ecx.cx().is_lang_item(trait_clause.def_id(), TraitSolverLangItem::Sized)