Give Language a Bounded instance

3b22b14a · Shayne Fletcher · Marge Bot · 7a737e89 · 3b22b14a
Commit 3b22b14a authored Mar 17, 2020 by Shayne Fletcher 🥝 Committed by Marge Bot Jun 10, 2020
--- a/compiler/GHC/Driver/Flags.hs
+++ b/compiler/GHC/Driver/Flags.hs
@@ -519,8 +519,7 @@ instance ToJson WarnReason where


 data Language = Haskell98 | Haskell2010
-   deriving (Eq, Enum, Show)
+   deriving (Eq, Enum, Show, Bounded)

 instance Outputable Language where
    ppr = text . show
-