; checkSafety safety
; check (isFFILabelTy res_ty) (illegalForeignTyErr empty sig_ty)
; return idecl } -- NB check res_ty not sig_ty!
; checkSafety safety
; check (isFFILabelTy res_ty) (illegalForeignTyErr empty sig_ty)
; return idecl } -- NB check res_ty not sig_ty!