{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"query"}]}
    query optimized_mir(key: DefId) -> &'tcx mir::Body<'tcx> {
    /// for codegen. This is also the only query that can fetch non-local MIR, at present.
        desc { |tcx| "optimizing MIR for `{}`", tcx.def_path_str(key) }