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-rw-r--r--compiler/GHC/CmmToAsm/Dwarf.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/CmmToAsm/Dwarf.hs b/compiler/GHC/CmmToAsm/Dwarf.hs
index 503aca0b3e..10720aef7d 100644
--- a/compiler/GHC/CmmToAsm/Dwarf.hs
+++ b/compiler/GHC/CmmToAsm/Dwarf.hs
@@ -130,7 +130,7 @@ compileUnitFooter platform unitU =
-- Note [Splitting DebugBlocks] for details.
debugSplitProcs :: [DebugBlock] -> [DebugBlock]
debugSplitProcs b = concat $ H.mapElems $ mergeMaps $ map (split Nothing) b
- where mergeMaps = foldr (H.mapUnionWithKey (const (++))) H.mapEmpty
+ where mergeMaps = foldr (H.mapUnionWithKey (const (++))) H.mapEmpty --
split :: Maybe DebugBlock -> DebugBlock -> H.LabelMap [DebugBlock]
split parent blk = H.mapInsert prc [blk'] nested
where prc = dblProcedure blk