-- !!! Caused a crash in GHC 5.04.2, fixed in CoreToStg.lhs rev. 1.98 data T1 = T1 data T2 = C1 !T1 | C2 data T3 = C3 !T2 Int {-# NOINLINE f #-} f 0 = C3 (C1 T1) 42 f n = C3 (C1 T1) n main = case f 23 of C3 y z -> case y of C1 T1 -> putStrLn "ok"