X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Frename%2FRnNames.lhs;h=55fcea2054fc68270add9cba520deb43d19be282;hp=803744957f28a0367961a5fab78cb497be3c4e89;hb=65277a1c9ff86c28c656849d6f6cbb392f1eb3e7;hpb=eda42a0ef66a80b2f53225b4219fa935ee78c5e9

diff --git a/compiler/rename/RnNames.lhs b/compiler/rename/RnNames.lhs
index 8037449..55fcea2 100644
--- a/compiler/rename/RnNames.lhs
+++ b/compiler/rename/RnNames.lhs
@@ -722,7 +722,7 @@ gresFromIE decl_spec (L loc ie, avail)
 mkChildEnv :: [GlobalRdrElt] -> NameEnv [Name]
 mkChildEnv gres = foldr add emptyNameEnv gres
     where
-	add (GRE { gre_name = n, gre_par = ParentIs p }) env = extendNameEnv_C (++) env p [n]
+	add (GRE { gre_name = n, gre_par = ParentIs p }) env = extendNameEnv_Acc (:) singleton env p n
 	add _                                            env = env
 
 findChildren :: NameEnv [Name] -> Name -> [Name]