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-rw-r--r--compiler/cmm/CmmSpillReload.hs8
1 files changed, 7 insertions, 1 deletions
diff --git a/compiler/cmm/CmmSpillReload.hs b/compiler/cmm/CmmSpillReload.hs
index 0c0099434d..4e2dd38fd3 100644
--- a/compiler/cmm/CmmSpillReload.hs
+++ b/compiler/cmm/CmmSpillReload.hs
@@ -1,7 +1,13 @@
-{-# OPTIONS_GHC -XGADTs -XNoMonoLocalBinds #-}
+{-# LANGUAGE GADTs,NoMonoLocalBinds #-}
-- Norman likes local bindings
-- If this module lives on I'd like to get rid of this flag in due course
+{-# OPTIONS_GHC -fno-warn-incomplete-patterns #-}
+#if __GLASGOW_HASKELL__ >= 701
+-- GHC 7.0.1 improved incomplete pattern warnings with GADTs
+{-# OPTIONS_GHC -fwarn-incomplete-patterns #-}
+#endif
+
module CmmSpillReload
( DualLive(..)
, dualLiveLattice, dualLiveTransfers, dualLiveness