T9400.hs:13:9: warning: [GHC-53633] [-Woverlapping-patterns (in -Wdefault)]
    Pattern match is redundant
    In a case alternative: [] -> ...

T9400.hs:18:9: warning: [GHC-53633] [-Woverlapping-patterns (in -Wdefault)]
    Pattern match is redundant
    In a case alternative: "" -> ...

==================== Tidy Core ====================
Result size of Tidy Core
  = {terms: 48, types: 28, coercions: 0, joins: 0/0}

-- RHS size: {terms: 1, types: 0, coercions: 0, joins: 0/0}
$trModule1 :: Addr#
[GblId, Unf=OtherCon []]
$trModule1 = "main"#

-- RHS size: {terms: 2, types: 0, coercions: 0, joins: 0/0}
$trModule2 :: TrName
[GblId, Unf=OtherCon []]
$trModule2 = GHC.Types.TrNameS $trModule1

-- RHS size: {terms: 1, types: 0, coercions: 0, joins: 0/0}
$trModule3 :: Addr#
[GblId, Unf=OtherCon []]
$trModule3 = "T9400"#

-- RHS size: {terms: 2, types: 0, coercions: 0, joins: 0/0}
$trModule4 :: TrName
[GblId, Unf=OtherCon []]
$trModule4 = GHC.Types.TrNameS $trModule3

-- RHS size: {terms: 3, types: 0, coercions: 0, joins: 0/0}
T9400.$trModule :: Module
[GblId, Unf=OtherCon []]
T9400.$trModule = GHC.Types.Module $trModule2 $trModule4

-- RHS size: {terms: 33, types: 21, coercions: 0, joins: 0/0}
main :: IO ()
[GblId]
main
  = >>
      @IO
      GHC.Base.$fMonadIO
      @()
      @()
      (putStrLn (unpackCString# "c"#))
      (>>
         @IO
         GHC.Base.$fMonadIO
         @()
         @()
         (putStrLn (unpackCString# "x"#))
         (>>
            @IO
            GHC.Base.$fMonadIO
            @()
            @()
            (putStrLn (unpackCString# "z"#))
            (>>
               @IO
               GHC.Base.$fMonadIO
               @()
               @()
               (putStrLn (unpackCString# "efg"#))
               (>>
                  @IO
                  GHC.Base.$fMonadIO
                  @()
                  @()
                  (case Control.Exception.Base.patError
                          @LiftedRep @() "T9400.hs:(17,5)-(18,29)|case"#
                   of wild {
                   })
                  (>>
                     @IO
                     GHC.Base.$fMonadIO
                     @()
                     @()
                     (putStrLn (unpackCStringUtf8# "abc"#))
                     (putStrLn
                        (unpackCStringUtf8#
                           "a\\197\\188\\195\\179\\197\\130\\196\\135z"#)))))))