{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "computing the default for const parameter `{}`", tcx.def_path_str(param)  }
    query const_param_default(param: DefId) -> ty::EarlyBinder<'tcx, ty::Const<'tcx>> {
        cache_on_disk_if { param.is_local() }