{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"sess.time(\"ensuring_final_MIR_is_computable\","}]}
        sess.time("ensuring_final_MIR_is_computable", || {
    if tcx.sess.opts.unstable_opts.validate_mir {
            tcx.par_hir_body_owners(|def_id| {