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-rw-r--r--compiler/coreSyn/TrieMap.lhs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/coreSyn/TrieMap.lhs b/compiler/coreSyn/TrieMap.lhs
index ac04adab1b..2744c5d0b8 100644
--- a/compiler/coreSyn/TrieMap.lhs
+++ b/compiler/coreSyn/TrieMap.lhs
@@ -4,14 +4,14 @@
%
\begin{code}
-{-# OPTIONS -fno-warn-tabs #-}
+{-# OPTIONS_GHC -fno-warn-tabs #-}
-- The above warning supression flag is a temporary kludge.
-- While working on this module you are encouraged to remove it and
-- detab the module (please do the detabbing in a separate patch). See
-- http://ghc.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#TabsvsSpaces
-- for details
-{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE RankNTypes, TypeFamilies #-}
module TrieMap(
CoreMap, emptyCoreMap, extendCoreMap, lookupCoreMap, foldCoreMap,
TypeMap, emptyTypeMap, extendTypeMap, lookupTypeMap, foldTypeMap,