***Arity is changed as occur many times: F3.f3{v r157} 1 0

==================== IdInfo ====================
$wfac_s1Bz :: GHC.Prim.Int# -> GHC.Prim.Int# :: [Arity 1
						 0 -> *
						 Str: DmdType L]
F3.fac :: GHC.Base.Int -> GHC.Base.Int :: [Arity 1
					   T
					   Worker $wfac_s1Bz
					   Str: DmdType U(L)m]
F3.f3 :: GHC.Base.Int -> GHC.Base.Int :: [Arity 1
					  T
					  Str: DmdType U(L)m]