X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2FcoreSyn%2FCoreSubst.lhs;h=2029180c4011fa98bb4e652a31d0aa41d33ac9a5;hb=17b297d97d327620ed6bfab942f8992b2446f1bf;hp=8306c04611d997fda09fbdb9f3ce0dc31c05dadf;hpb=53167b89a0ad08049ed429e09d6863b6b322ec44;p=ghc-hetmet.git

diff --git a/compiler/coreSyn/CoreSubst.lhs b/compiler/coreSyn/CoreSubst.lhs
index 8306c04..2029180 100644
--- a/compiler/coreSyn/CoreSubst.lhs
+++ b/compiler/coreSyn/CoreSubst.lhs
@@ -6,6 +6,13 @@
 Utility functions on @Core@ syntax
 
 \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 CoreSubst (
 	-- Substitution stuff
 	Subst, TvSubstEnv, IdSubstEnv, InScopeSet,
@@ -45,6 +52,8 @@ import Outputable
 import PprCore		()		-- Instances
 import Util
 import FastTypes
+
+import Data.List
 \end{code}