X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcTyDecls.lhs;h=7d4ebfac269935309e13fe0fae6e33ac2688917e;hp=86d4a2b830d698d2a45577981ca2f2463d5d6b82;hb=b00b5bc04ff36a551552470060064f0b7d84ca30;hpb=e8a591c1a3dbdeccec2dd2aacccd7435004b0d51

diff --git a/compiler/typecheck/TcTyDecls.lhs b/compiler/typecheck/TcTyDecls.lhs
index 86d4a2b..7d4ebfa 100644
--- a/compiler/typecheck/TcTyDecls.lhs
+++ b/compiler/typecheck/TcTyDecls.lhs
@@ -20,10 +20,11 @@ import TypeRep          ( Type(..), TyNote(..), PredType(..) )  -- friend
 import HsSyn		( TyClDecl(..), HsPred(..), LTyClDecl, isClassDecl )
 import RnHsSyn		( extractHsTyNames )
 import Type		( predTypeRep, tcView )
-import HscTypes		( TyThing(..), ModDetails(..) )
+import HscTypes		( TyThing(..), ModDetails(..), availsToNameSet )
 import TyCon            ( TyCon, tyConArity, tyConDataCons, tyConTyVars,
                           isSynTyCon, isAlgTyCon, 
-			  tyConName, isNewTyCon, isProductTyCon, newTyConRhs )
+			  tyConName, isNewTyCon, isProductTyCon, newTyConRhs,
+			  isOpenTyCon )
 import Class		( classTyCon )
 import DataCon          ( dataConOrigArgTys )
 import Var              ( TyVar )
@@ -214,7 +215,7 @@ calcRecFlags boot_details tyclss
     is_rec n | n `elemNameSet` rec_names = Recursive
 	     | otherwise		 = NonRecursive
 
-    boot_name_set = md_exports boot_details
+    boot_name_set = availsToNameSet (md_exports boot_details)
     rec_names = boot_name_set	  `unionNameSets` 
 		nt_loop_breakers  `unionNameSets`
 	        prod_loop_breakers
@@ -238,7 +239,8 @@ calcRecFlags boot_details tyclss
 	-- rather less nice, so I'm not going to do that yet.
 
 	--------------- Newtypes ----------------------
-    new_tycons = filter isNewTyCon all_tycons
+    new_tycons = filter isNewTyConAndNotOpen all_tycons
+    isNewTyConAndNotOpen tycon = isNewTyCon tycon && not (isOpenTyCon tycon)
     nt_loop_breakers = mkNameSet (findLoopBreakers nt_edges)
     is_rec_nt tc = tyConName tc  `elemNameSet` nt_loop_breakers
 	-- is_rec_nt is a locally-used helper function