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-rw-r--r--compiler/GHC/Cmm/Dataflow/Label.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm/Dataflow/Label.hs b/compiler/GHC/Cmm/Dataflow/Label.hs
index 161125daff..a9a74fd50e 100644
--- a/compiler/GHC/Cmm/Dataflow/Label.hs
+++ b/compiler/GHC/Cmm/Dataflow/Label.hs
@@ -141,6 +141,7 @@ instance TrieMap LabelMap where
alterTM k f m = mapAlter f k m
foldTM k m z = mapFoldr k z m
mapTM f m = mapMap f m
+ filterTM f m = mapFilter f m
-----------------------------------------------------------------------------
-- FactBase