+ , "-u", "_base_GHCziTopHandler_runIO_closure"
+ , "-u", "_base_GHCziTopHandler_runNonIO_closure"
+ , "-u", "_base_GHCziConc_ensureIOManagerIsRunning_closure"
+ , "-u", "_base_GHCziConc_runSparks_closure"
+ , "-u", "_base_GHCziConc_runHandlers_closure"