Add LANGUAGE BangPatterns to modules that use bang patterns

[ghc-base.git] / GHC / Weak.lhs

diff --git a/GHC/Weak.lhs b/GHC/Weak.lhs
index 4897123..af44c88 100644 (file)
--- a/GHC/Weak.lhs
+++ b/GHC/Weak.lhs
@@ -1,4 +1,5 @@
 \begin{code}
+{-# LANGUAGE BangPatterns #-}
 {-# OPTIONS_GHC -XNoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
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