{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"query"}]}
    query promoted_mir(key: DefId) -> &'tcx IndexVec<mir::Promoted, mir::Body<'tcx>> {
    /// need to use the `DefId` of the original body.
        desc { |tcx| "optimizing promoted MIR for `{}`", tcx.def_path_str(key) }