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-rw-r--r--libraries/base/GHC/Conc.lhs3
1 files changed, 2 insertions, 1 deletions
diff --git a/libraries/base/GHC/Conc.lhs b/libraries/base/GHC/Conc.lhs
index b12785f4d3..665f82f9bb 100644
--- a/libraries/base/GHC/Conc.lhs
+++ b/libraries/base/GHC/Conc.lhs
@@ -1,7 +1,8 @@
\begin{code}
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-missing-signatures #-}
{-# OPTIONS_HADDOCK not-home #-}
+
-----------------------------------------------------------------------------
-- |
-- Module : GHC.Conc