Fix Show instance (haskell#2802)

Author: pepeiborra

ghcide/src/Development/IDE/Core/RuleTypes.hs

@@ -421,7 +421,11 @@ newtype GhcSessionDeps = GhcSessionDeps_
         -- Required for interactive evaluation, but leads to more cache invalidations
         fullModSummary :: Bool
     }
-    deriving newtype (Eq, Show, Typeable, Hashable, NFData)
+    deriving newtype (Eq, Typeable, Hashable, NFData)
+
+instance Show GhcSessionDeps where
+    show (GhcSessionDeps_ False) = "GhcSessionDeps"
+    show (GhcSessionDeps_ True) = "GhcSessionDepsFull"
 
 pattern GhcSessionDeps :: GhcSessionDeps
 pattern GhcSessionDeps = GhcSessionDeps_ False