Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

[ghc-hetmet.git] / compiler / deSugar / DsArrows.lhs

diff --git a/compiler/deSugar/DsArrows.lhs b/compiler/deSugar/DsArrows.lhs
index fc2432d..e819872 100644 (file)
--- a/compiler/deSugar/DsArrows.lhs
+++ b/compiler/deSugar/DsArrows.lhs
@@ -6,6 +6,13 @@
 Desugaring arrow commands
 
 \begin{code}
+{-# OPTIONS_GHC -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+-- for details
+
 module DsArrows ( dsProcExpr ) where
 
 #include "HsVersions.h"
@@ -42,6 +49,8 @@ import Util
 import HsUtils
 import VarSet
 import SrcLoc
+
+import Data.List
 \end{code}
 
 \begin{code}