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Diffstat (limited to 'compiler/utils/UniqFM.lhs')
| -rw-r--r-- | compiler/utils/UniqFM.lhs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/utils/UniqFM.lhs b/compiler/utils/UniqFM.lhs index 680300abd4..862af99443 100644 --- a/compiler/utils/UniqFM.lhs +++ b/compiler/utils/UniqFM.lhs @@ -20,7 +20,7 @@ and ``addToUFM\_C'' and ``Data.IntMap.insertWith'' differ in the order of arguments of combining function. \begin{code} -{-# LANGUAGE GeneralizedNewtypeDeriving #-} +{-# LANGUAGE DeriveTraversable, GeneralizedNewtypeDeriving #-} {-# OPTIONS -Wall #-} module UniqFM ( |