Remove instances for Data.Semigroup.Option for GHC >= 9.2 (#62)

Corresponding MR for GHC: https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4945
haskell · Apr 14, 2021 · b136de6 · b136de6
1 parent 436f5ac
commit b136de6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Control/DeepSeq.hs b/Control/DeepSeq.hs
@@ -16,7 +16,7 @@
 {-# LANGUAGE EmptyCase #-}
 #endif
 
-#if __GLASGOW_HASKELL__ >= 811
+#if __GLASGOW_HASKELL__ >= 811 && __GLASGOW_HASKELL__ < 901
 -- For the Option instance (https://gitlab.haskell.org/ghc/ghc/issues/15028)
 {-# OPTIONS_GHC -Wno-deprecations #-}
 #endif
@@ -908,12 +908,14 @@ instance NFData m => NFData (WrappedMonoid m) where rnf = rnf1
 instance NFData1 WrappedMonoid where
   liftRnf r (WrapMonoid a) = r a
 
+#if __GLASGOW_HASKELL__ < 901
 -- |@since 1.4.2.0
 instance NFData a => NFData (Option a) where rnf = rnf1
 -- |@since 1.4.3.0
 instance NFData1 Option where
   liftRnf r (Option a) = liftRnf r a
 #endif
+#endif
 
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