X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcRnMonad.lhs;h=dbe822a222aa87bf0f5c5d76133d52da3cc71acc;hp=88de1ca8fd4b938a91b2281ba59e9233d702b458;hb=7bb3d1fc79521d591cd9f824893963141a7997b6;hpb=5cc715b218c2da096055a38a453054cbe0b676c0

diff --git a/compiler/typecheck/TcRnMonad.lhs b/compiler/typecheck/TcRnMonad.lhs
index 88de1ca..dbe822a 100644
--- a/compiler/typecheck/TcRnMonad.lhs
+++ b/compiler/typecheck/TcRnMonad.lhs
@@ -45,6 +45,7 @@ import Util
 
 import System.IO
 import Data.IORef
+import qualified Data.Set as Set
 import Control.Monad
 \end{code}
 
@@ -72,6 +73,7 @@ initTc hsc_env hsc_src keep_rn_syntax mod do_this
       	tvs_var      <- newIORef emptyVarSet ;
 	dfuns_var    <- newIORef emptyNameSet ;
 	keep_var     <- newIORef emptyNameSet ;
+    used_rdrnames_var <- newIORef Set.empty ;
 	th_var	     <- newIORef False ;
 	dfun_n_var   <- newIORef 1 ;
 	type_env_var <- case hsc_type_env_var hsc_env of {
@@ -97,9 +99,10 @@ initTc hsc_env hsc_src keep_rn_syntax mod do_this
 		tcg_th_used   = th_var,
 		tcg_exports  = [],
 		tcg_imports  = emptyImportAvails,
+        tcg_used_rdrnames = used_rdrnames_var,
 		tcg_dus      = emptyDUs,
 
-                tcg_rn_imports = maybe_rn_syntax [],
+                tcg_rn_imports = [],
                 tcg_rn_exports = maybe_rn_syntax [],
 		tcg_rn_decls   = maybe_rn_syntax emptyRnGroup,