Support building with QuickCheck-2.14.3

Prompted by commercialhaskell/stackage#6995

CHANGELOG.md

@@ -1,3 +1,6 @@
+### next [????.??.??]
+* Support building with `QuickCheck-2.14.3` in the test suite.
+
 ### 3.10.2 [2023.03.05]
 * Allow building with GHC 9.6.
 * Add `TextShow` instances for `SomeChar` (if building with `base-4.16` or

tests/Instances/System/IO.hs

@@ -24,8 +24,8 @@ import Instances.Utils.GenericArbitrary (genericArbitrary)
 import Prelude ()
 import Prelude.Compat
 
-import System.IO (BufferMode(..), IOMode(..), Newline(..), NewlineMode(..),
-                  SeekMode(..), Handle, stdin, stdout, stderr)
+import System.IO (BufferMode(..), IOMode(..), SeekMode(..), Handle,
+                  stdin, stdout, stderr)
 
 import Test.QuickCheck (Arbitrary(..), arbitraryBoundedEnum, oneof)
 
@@ -56,14 +56,5 @@ deriving instance Enum CodingFailureMode
 instance Arbitrary CodingFailureMode where
     arbitrary = arbitraryBoundedEnum
 
-deriving instance Bounded Newline
-deriving instance Enum Newline
-instance Arbitrary Newline where
-    arbitrary = arbitraryBoundedEnum
-
-instance Arbitrary NewlineMode where
-    arbitrary = genericArbitrary
-
 deriving instance Generic HandlePosn
 deriving instance Generic BufferMode
-deriving instance Generic NewlineMode

text-show.cabal

@@ -364,7 +364,7 @@ test-suite spec
                      , generic-deriving      >= 1.14.1 && < 2
                      , ghc-prim
                      , hspec                 >= 2      && < 3
-                     , QuickCheck            >= 2.12   && < 2.15
+                     , QuickCheck            >= 2.14.3 && < 2.15
                      , quickcheck-instances  >= 0.3.28 && < 0.4
                      , template-haskell      >= 2.9    && < 2.21
                      , text                  >= 0.11.1 && < 2.1