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-rw-r--r--compiler/utils/GraphPpr.hs7
1 files changed, 3 insertions, 4 deletions
diff --git a/compiler/utils/GraphPpr.hs b/compiler/utils/GraphPpr.hs
index df85fddc5b..ca5d412c60 100644
--- a/compiler/utils/GraphPpr.hs
+++ b/compiler/utils/GraphPpr.hs
@@ -28,7 +28,7 @@ dumpGraph graph
$$ (vcat $ map dumpNode $ eltsUFM $ graphMap graph)
dumpNode
- :: (Outputable k, Outputable cls, Outputable color)
+ :: (Outputable k, Outputable color)
=> Node k cls color -> SDoc
dumpNode node
@@ -74,8 +74,7 @@ dotGraph colorMap triv graph
, space ])
-dotNode :: ( Uniquable k
- , Outputable k, Outputable cls, Outputable color)
+dotNode :: ( Outputable k, Outputable cls, Outputable color)
=> (color -> SDoc)
-> Triv k cls color
-> Node k cls color -> SDoc
@@ -132,7 +131,7 @@ dotNode colorMap triv node
dotNodeEdges
:: ( Uniquable k
- , Outputable k, Outputable cls, Outputable color)
+ , Outputable k)
=> UniqSet k
-> Node k cls color
-> (UniqSet k, Maybe SDoc)