4 files changed, 13 insertions, 12 deletions
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index c523d610..dca16408 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -480,10 +480,10 @@ ppClassDecl summary links instances fixities loc d subdocs
                            -- there are different subdocs for different names in a single
                            -- type signature?
 
-    minimalBit = case [ s | L _ (MinimalSig _ s) <- lsigs ] of
+    minimalBit = case [ s | L _ (MinimalSig _ (L _ s)) <- lsigs ] of
       -- Miminal complete definition = every shown method
       And xs : _ | sort [getName n | Var (L _ n) <- xs] ==
-                   sort [getName n | L _ (TypeSig ns _) <- lsigs, L _ n <- ns]
+                   sort [getName n | L _ (TypeSig ns _ _) <- lsigs, L _ n <- ns]
         -> noHtml
 
       -- Minimal complete definition = the only shown method
@@ -498,9 +498,10 @@ ppClassDecl summary links instances fixities loc d subdocs
       _ -> noHtml
 
     ppMinimal _ (Var (L _ n)) = ppDocName qual Prefix True n
-    ppMinimal _ (And fs) = foldr1 (\a b -> a+++", "+++b) $ map (ppMinimal True) fs
-    ppMinimal p (Or fs) = wrap $ foldr1 (\a b -> a+++" | "+++b) $ map (ppMinimal False) fs
+    ppMinimal _ (And fs) = foldr1 (\a b -> a+++", "+++b) $ map (ppMinimal True . unLoc) fs
+    ppMinimal p (Or fs) = wrap $ foldr1 (\a b -> a+++" | "+++b) $ map (ppMinimal False . unLoc) fs
       where wrap | p = parens | otherwise = id
+    ppMinimal p (Parens x) = ppMinimal p (unLoc x)
 
     instancesBit = ppInstances instances nm unicode qual
 
diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs
index 38851b16..ce71cf86 100644
--- a/haddock-api/src/Haddock/Convert.hs
+++ b/haddock-api/src/Haddock/Convert.hs
@@ -78,7 +78,7 @@ tyThingToLHsDecl t = case t of
          , tcdFDs = map (\ (l,r) -> noLoc
                         (map (noLoc . getName) l, map (noLoc . getName) r) ) $
                          snd $ classTvsFds cl
-         , tcdSigs = noLoc (MinimalSig mempty . fmap noLoc $ classMinimalDef cl) :
+         , tcdSigs = noLoc (MinimalSig mempty . noLoc . fmap noLoc $ classMinimalDef cl) :
                       map (noLoc . synifyIdSig DeleteTopLevelQuantification)
                         (classMethods cl)
          , tcdMeths = emptyBag --ignore default method definitions, they don't affect signature
@@ -304,9 +304,7 @@ synifyDataCon use_gadt_syntax dc =
                       , con_cxt   = ctx
                       , con_details =  hat
                       , con_res = hs_res_ty
-                      , con_doc =  Nothing
-                -- we don't want any "deprecated GADT syntax" warnings!
-                      , con_old_rec = False }
+                      , con_doc =  Nothing }
 
 synifyName :: NamedThing n => n -> Located Name
 synifyName = noLoc . getName
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index d53e7351..f7eb5a82 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -501,7 +501,7 @@ mkExportItems
     lookupExport (IEVar (L _ x))         = declWith x
     lookupExport (IEThingAbs (L _ t))    = declWith t
     lookupExport (IEThingAll (L _ t))    = declWith t
-    lookupExport (IEThingWith (L _ t) _ _) = declWith t
+    lookupExport (IEThingWith (L _ t) _ _ _) = declWith t
     lookupExport (IEModuleContents (L _ m)) =
       moduleExports thisMod m dflags warnings gre exportedNames decls modMap instIfaceMap maps fixMap splices
     lookupExport (IEGroup lev docStr)  = return $
@@ -556,7 +556,7 @@ mkExportItems
 
                   L loc (TyClD cl@ClassDecl{}) -> do
                     mdef <- liftGhcToErrMsgGhc $ minimalDef t
-                    let sig = maybeToList $ fmap (noLoc . MinimalSig mempty . fmap noLoc) mdef
+                    let sig = maybeToList $ fmap (noLoc . MinimalSig mempty . noLoc . fmap noLoc) mdef
                     return [ mkExportDecl t
                       (L loc $ TyClD cl { tcdSigs = sig ++ tcdSigs cl }) docs_ ]
 
@@ -748,7 +748,7 @@ fullModuleContents dflags warnings gre (docMap, argMap, subMap, declMap, instMap
         return $ Just (ExportDecl decl doc subs [] (fixities name subs) (l `elem` splices))
     mkExportItem (L l (TyClD cl@ClassDecl{ tcdLName = L _ name, tcdSigs = sigs })) = do
       mdef <- liftGhcToErrMsgGhc $ minimalDef name
-      let sig = maybeToList $ fmap (noLoc . MinimalSig mempty . fmap noLoc) mdef
+      let sig = maybeToList $ fmap (noLoc . MinimalSig mempty . noLoc . fmap noLoc) mdef
       expDecl (L l (TyClD cl { tcdSigs = sig ++ sigs })) l name
     mkExportItem decl@(L l d)
       | name:_ <- getMainDeclBinder d = expDecl decl l name
diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs
index f95e527e..3640d348 100644
--- a/haddock-api/src/Haddock/Interface/Rename.hs
+++ b/haddock-api/src/Haddock/Interface/Rename.hs
@@ -444,7 +444,9 @@ renameSig sig = case sig of
   FixSig (FixitySig lnames fixity) -> do
     lnames' <- mapM renameL lnames
     return $ FixSig (FixitySig lnames' fixity)
-  MinimalSig src s -> MinimalSig src <$> traverse renameL s
+  MinimalSig src (L l s) -> do
+    s' <- traverse renameL s
+    return $ MinimalSig src (L l s')
   -- we have filtered out all other kinds of signatures in Interface.Create
   _ -> error "expected TypeSig"