Add LANGUAGE BangPatterns to modules that use bang patterns

libraries/base/Data/Bits.hs

+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 -----------------------------------------------------------------------------
 -- |

libraries/base/GHC/Base.lhs

@@ -62,6 +62,7 @@ GHC.Float       Classes: Floating, RealFloat
 Other Prelude modules are much easier with fewer complex dependencies.
 
 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 -- -fno-warn-orphans is needed for things like:
 -- Orphan rule: "x# -# x#" ALWAYS forall x# :: Int# -# x# x# = 0

libraries/base/GHC/Conc/Sync.lhs

 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
 {-# OPTIONS_HADDOCK not-home #-}

libraries/base/GHC/Enum.lhs

 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/GHC/ForeignPtr.hs

+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/GHC/Int.hs

+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/GHC/Show.lhs

 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/GHC/Weak.lhs

 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/GHC/Word.hs

+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
 -----------------------------------------------------------------------------

libraries/base/System/Event/Clock.hsc

+{-# LANGUAGE BangPatterns #-}
 {-# LANGUAGE ForeignFunctionInterface #-}
 
 module System.Event.Clock (getCurrentTime) where

libraries/base/System/Event/Control.hs

 {-# LANGUAGE CPP, ForeignFunctionInterface, NoImplicitPrelude,
-    ScopedTypeVariables #-}
+    ScopedTypeVariables, BangPatterns #-}
 
 module System.Event.Control
     (

libraries/base/System/Event/EPoll.hsc

 {-# LANGUAGE ForeignFunctionInterface, GeneralizedNewtypeDeriving,
-    NoImplicitPrelude #-}
+    NoImplicitPrelude, BangPatterns #-}
 
 --
 -- | A binding to the epoll I/O event notification facility

libraries/base/System/Event/Poll.hsc

 {-# LANGUAGE ForeignFunctionInterface, GeneralizedNewtypeDeriving,
-    NoImplicitPrelude #-}
+    NoImplicitPrelude, BangPatterns #-}
 
 module System.Event.Poll
     (