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-rw-r--r--compiler/GHC/Data/Graph/Ops.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Data/Graph/Ops.hs b/compiler/GHC/Data/Graph/Ops.hs
index b6bce8a97c..c34595eb76 100644
--- a/compiler/GHC/Data/Graph/Ops.hs
+++ b/compiler/GHC/Data/Graph/Ops.hs
@@ -46,7 +46,7 @@ import GHC.Types.Unique
import GHC.Types.Unique.Set
import GHC.Types.Unique.FM
-import Data.List hiding (union)
+import Data.List (mapAccumL, sortBy)
import Data.Maybe
-- | Lookup a node from the graph.