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-rw-r--r--compiler/cmm/CmmUtils.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/cmm/CmmUtils.hs b/compiler/cmm/CmmUtils.hs
index afba245fbc..1f6d1ac0e3 100644
--- a/compiler/cmm/CmmUtils.hs
+++ b/compiler/cmm/CmmUtils.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE GADTs #-}
+{-# LANGUAGE CPP, GADTs, RankNTypes #-}
-----------------------------------------------------------------------------
--