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-rw-r--r--compiler/utils/UniqDSet.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/UniqDSet.hs b/compiler/utils/UniqDSet.hs
index eef545eedd..e33becf036 100644
--- a/compiler/utils/UniqDSet.hs
+++ b/compiler/utils/UniqDSet.hs
@@ -32,6 +32,8 @@ module UniqDSet (
partitionUniqDSet
) where
+import GhcPrelude
+
import UniqDFM
import UniqSet
import Unique