{ (rn_deriv, _dus1) <- rnTopBinds (ValBindsIn deriv_binds [])
; (rn_gen, dus_gen) <- rnTopBinds (ValBindsIn gen_binds [])
; keepAliveSetTc (duDefs dus_gen) -- Mark these guys to
{ (rn_deriv, _dus1) <- rnTopBinds (ValBindsIn deriv_binds [])
; (rn_gen, dus_gen) <- rnTopBinds (ValBindsIn gen_binds [])
; keepAliveSetTc (duDefs dus_gen) -- Mark these guys to