X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FhsSyn%2FHsUtils.lhs;h=3ef4bff17714c8368846410c0c35cbe7b0c1aa98;hp=d17f85099f32f750afa77c892fc02f4259364784;hb=6ea06bbf08517d9805feb82df65cc56ecbaf23a4;hpb=338cac018258e0c5540e18e0efe7dc84dfce8c86;ds=sidebyside

diff --git a/compiler/hsSyn/HsUtils.lhs b/compiler/hsSyn/HsUtils.lhs
index d17f850..3ef4bff 100644
--- a/compiler/hsSyn/HsUtils.lhs
+++ b/compiler/hsSyn/HsUtils.lhs
@@ -60,7 +60,7 @@ module HsUtils(
   collectLStmtBinders, collectStmtBinders,
   collectSigTysFromPats, collectSigTysFromPat,
 
-  hsTyClDeclBinders, hsTyClDeclsBinders, hsConDeclsBinders, 
+  hsTyClDeclBinders, hsTyClDeclsBinders, 
   hsForeignDeclsBinders, hsGroupBinders
   ) where
 
@@ -572,9 +572,10 @@ hsForeignDeclsBinders :: [LForeignDecl Name] -> [Name]
 hsForeignDeclsBinders foreign_decls
   = [n | L _ (ForeignImport (L _ n) _ _) <- foreign_decls]
 
-hsTyClDeclsBinders :: [Located (TyClDecl Name)] -> [Located (InstDecl Name)] -> [Name]
+hsTyClDeclsBinders :: [[LTyClDecl Name]] -> [Located (InstDecl Name)] -> [Name]
 hsTyClDeclsBinders tycl_decls inst_decls
-  = [n | d <- instDeclATs inst_decls ++ tycl_decls, L _ n <- hsTyClDeclBinders d]
+  = [n | d <- instDeclATs inst_decls ++ concat tycl_decls
+       , L _ n <- hsTyClDeclBinders d]
 
 hsTyClDeclBinders :: Eq name => Located (TyClDecl name) -> [Located name]
 -- ^ Returns all the /binding/ names of the decl, along with their SrcLocs.