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-rw-r--r--compiler/cmm/CmmLive.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/cmm/CmmLive.hs b/compiler/cmm/CmmLive.hs
index 7d77948c77..b7a8dd6eec 100644
--- a/compiler/cmm/CmmLive.hs
+++ b/compiler/cmm/CmmLive.hs
@@ -40,7 +40,7 @@ liveLattice = DataflowLattice emptyRegSet add
in changedIf (sizeRegSet join > sizeRegSet old) join
-- | A mapping from block labels to the variables live on entry
-type BlockEntryLiveness r = BlockEnv (CmmLive r)
+type BlockEntryLiveness r = LabelMap (CmmLive r)
-----------------------------------------------------------------------------
-- | Calculated liveness info for a CmmGraph