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-rw-r--r--compiler/cmm/CmmContFlowOpt.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/cmm/CmmContFlowOpt.hs b/compiler/cmm/CmmContFlowOpt.hs
index d8740df3f2..142de1e828 100644
--- a/compiler/cmm/CmmContFlowOpt.hs
+++ b/compiler/cmm/CmmContFlowOpt.hs
@@ -15,6 +15,7 @@ import CmmUtils
import CmmSwitch (mapSwitchTargets)
import Maybes
import Panic
+import Util
import Control.Monad
import Prelude hiding (succ, unzip, zip)
@@ -392,7 +393,7 @@ predMap blocks = foldr add_preds mapEmpty blocks
-- Removing unreachable blocks
removeUnreachableBlocksProc :: CmmDecl -> CmmDecl
removeUnreachableBlocksProc proc@(CmmProc info lbl live g)
- | length used_blocks < mapSize (toBlockMap g)
+ | used_blocks `lengthLessThan` mapSize (toBlockMap g)
= CmmProc info' lbl live g'
| otherwise
= proc