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-rw-r--r--haddock-api/src/Haddock/GhcUtils.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs
index 85e6fcf4..599404a0 100644
--- a/haddock-api/src/Haddock/GhcUtils.hs
+++ b/haddock-api/src/Haddock/GhcUtils.hs
@@ -114,7 +114,7 @@ pretty = showPpr
-- instantiated at DocNameI instead of (GhcPass _).
-- | Like 'hsTyVarName' from GHC API, but not instantiated at (GhcPass _)
-hsTyVarBndrName :: forall flag n. (XXTyVarBndr n ~ DataConCantHappen, UnXRec n)
+hsTyVarBndrName :: forall flag n. (XXTyVarBndr n ~ NoExtCon, UnXRec n)
=> HsTyVarBndr flag n -> IdP n
hsTyVarBndrName (UserTyVar _ _ name) = unXRec @n name
hsTyVarBndrName (KindedTyVar _ _ name _) = unXRec @n name