X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Foreign.hs;h=5976c2098537f8a5d03f9d63fdeb38fdc2a08b18;hb=3aa288879627ae55480c919c1b23fb28ca09e536;hp=6c3cf8a1c5a80a1c5439a29ffc65dd8719a62036;hpb=c04ece9b00ebbf0a7448033e0da6c1cbadc34a00;p=ghc-base.git

diff --git a/Foreign.hs b/Foreign.hs
index 6c3cf8a..5976c20 100644
--- a/Foreign.hs
+++ b/Foreign.hs
@@ -1,4 +1,4 @@
-{-# OPTIONS_GHC -fno-implicit-prelude #-}
+{-# OPTIONS_GHC -XNoImplicitPrelude #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Foreign
@@ -24,8 +24,10 @@ module Foreign
         , module Foreign.Storable
         , module Foreign.Marshal
 
-        -- | For compatibility with the FFI addendum only.  The recommended
-        -- place to get this from is "System.IO.Unsafe".
+        -- | 'unsafePerformIO' is exported here for backwards
+        -- compatibility reasons only.  For doing local marshalling in
+        -- the FFI, use 'unsafeLocalState'.  For other uses, see
+        -- 'System.IO.Unsafe.unsafePerformIO'.
         , unsafePerformIO
         ) where