From bd206f09715420aaa62341c9a96411a684eee6e9 Mon Sep 17 00:00:00 2001
From: Andrew Martin <andrew.thaddeus@gmail.com>
Date: Sun, 11 Oct 2020 15:59:22 -0400
Subject: Update for boxed rep

---
 haddock-api/src/Haddock/Convert.hs  | 7 ++++---
 haddock-api/src/Haddock/GhcUtils.hs | 4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs
index 83711414..a87ba7ce 100644
--- a/haddock-api/src/Haddock/Convert.hs
+++ b/haddock-api/src/Haddock/Convert.hs
@@ -45,7 +45,7 @@ import GHC.Builtin.Types.Prim ( alphaTyVars )
 import GHC.Builtin.Types ( eqTyConName, listTyConName, liftedTypeKindTyConName
                   , unitTy, promotedNilDataCon, promotedConsDataCon )
 import GHC.Builtin.Names ( hasKey, eqTyConKey, ipClassKey, tYPETyConKey
-                 , liftedRepDataConKey )
+                 , liftedDataConKey, boxedRepDataConKey )
 import GHC.Types.Unique ( getUnique )
 import GHC.Utils.Misc ( chkAppend, debugIsOn, dropList, equalLength
                       , filterByList, filterOut )
@@ -575,8 +575,9 @@ synifyType _ vs (TyConApp tc tys)
     res_ty
       -- Use */# instead of TYPE 'Lifted/TYPE 'Unlifted (#473)
       | tc `hasKey` tYPETyConKey
-      , [TyConApp lev []] <- tys
-      , lev `hasKey` liftedRepDataConKey
+      , [TyConApp rep [TyConApp lev []]] <- tys
+      , rep `hasKey` boxedRepDataConKey
+      , lev `hasKey` liftedDataConKey
       = noLoc (HsTyVar noExtField NotPromoted (noLoc liftedTypeKindTyConName))
       -- Use non-prefix tuple syntax where possible, because it looks nicer.
       | Just sort <- tyConTuple_maybe tc
diff --git a/haddock-api/src/Haddock/GhcUtils.hs b/haddock-api/src/Haddock/GhcUtils.hs
index 6e21e094..41801710 100644
--- a/haddock-api/src/Haddock/GhcUtils.hs
+++ b/haddock-api/src/Haddock/GhcUtils.hs
@@ -44,8 +44,8 @@ import GHC.Types.Var.Set ( VarSet, emptyVarSet )
 import GHC.Types.Var.Env ( TyVarEnv, extendVarEnv, elemVarEnv, emptyVarEnv )
 import GHC.Core.TyCo.Rep ( Type(..) )
 import GHC.Core.Type     ( isRuntimeRepVar )
-import GHC.Builtin.Types( liftedRepDataConTyCon )
 import GHC.Parser.Annotation (IsUnicodeSyntax(..))
+import GHC.Builtin.Types( liftedRepTy )
 
 import           GHC.Data.StringBuffer ( StringBuffer )
 import qualified GHC.Data.StringBuffer             as S
@@ -743,7 +743,7 @@ defaultRuntimeRepVars = go emptyVarEnv
 
     go subs (TyVarTy tv)
       | tv `elemVarEnv` subs
-      = TyConApp liftedRepDataConTyCon []
+      = liftedRepTy
       | otherwise
       = TyVarTy (updateTyVarKind (go subs) tv)
 
-- 
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