--- lifted-base-0.2-orig/Control/Exception/Lifted.hs	2012-10-05 15:29:06.000000000 +1000
+++ lifted-base-0.2/Control/Exception/Lifted.hs	2012-11-03 10:44:27.063099107 +1100
@@ -13,6 +13,10 @@
 {-# LANGUAGE Trustworthy #-}
 #endif
 
+#if __GLASGOW_HASKELL__ >= 707
+{-# LANGUAGE ImpredicativeTypes #-}
+#endif
+
 {- |
 Module      :  Control.Exception.Lifted
 Copyright   :  Bas van Dijk, Anders Kaseorg