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-rw-r--r--compiler/GHC/Cmm/Ppr.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm/Ppr.hs b/compiler/GHC/Cmm/Ppr.hs
index 0f846bad1b..455a7d639a 100644
--- a/compiler/GHC/Cmm/Ppr.hs
+++ b/compiler/GHC/Cmm/Ppr.hs
@@ -64,6 +64,8 @@ import GHC.Cmm.Dataflow.Graph
-------------------------------------------------
-- Outputable instances
+instance OutputableP Platform InfoProvEnt where
+ pdoc platform (InfoProvEnt clabel _ _ _ _) = pdoc platform clabel
instance Outputable CmmStackInfo where
ppr = pprStackInfo