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-rw-r--r--haddock-api/src/Haddock/Types.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/haddock-api/src/Haddock/Types.hs b/haddock-api/src/Haddock/Types.hs
index da221819..c03ab385 100644
--- a/haddock-api/src/Haddock/Types.hs
+++ b/haddock-api/src/Haddock/Types.hs
@@ -345,8 +345,8 @@ data InstType name
| TypeInst (Maybe (HsType name)) -- ^ Body (right-hand side)
| DataInst (TyClDecl name) -- ^ Data constructors
-instance (a ~ GhcPass p,OutputableBndrId a)
- => Outputable (InstType a) where
+instance (OutputableBndrId p)
+ => Outputable (InstType (GhcPass p)) where
ppr (ClassInst { .. }) = text "ClassInst"
<+> ppr clsiCtx
<+> ppr clsiTyVars