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-rw-r--r--compiler/profiling/CostCentre.lhs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/profiling/CostCentre.lhs b/compiler/profiling/CostCentre.lhs
index 2648d1eff2..9e08831c97 100644
--- a/compiler/profiling/CostCentre.lhs
+++ b/compiler/profiling/CostCentre.lhs
@@ -10,7 +10,7 @@
-- any warnings in the module. See
-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
-- for details
-{-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE BangPatterns, DeriveDataTypeable #-}
module CostCentre (
CostCentre(..), CcName, IsDupdCC(..), IsCafCC(..),