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-rw-r--r--compiler/utils/OrdList.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/OrdList.hs b/compiler/utils/OrdList.hs
index 90fdefb908..081210a534 100644
--- a/compiler/utils/OrdList.hs
+++ b/compiler/utils/OrdList.hs
@@ -15,6 +15,8 @@ module OrdList (
mapOL, fromOL, toOL, foldrOL, foldlOL
) where
+import GhcPrelude
+
import Outputable
import Data.Semigroup ( Semigroup )