{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"//"}]}
        // constraints were too strong, and if so, emit or propagate those errors.
        // and need to be emitted or propagated. Otherwise, we need to check whether the
        if infcx.tcx.sess.opts.unstable_opts.polonius.is_legacy_enabled() {