add a comment to the effect that printDoc prints FastStrings in UTF-8

[ghc-hetmet.git] / compiler / utils / Encoding.hs

diff --git a/compiler/utils/Encoding.hs b/compiler/utils/Encoding.hs
index 2943768..c790f38 100644 (file)
--- a/compiler/utils/Encoding.hs
+++ b/compiler/utils/Encoding.hs
@@ -1,3 +1,7 @@
+{-# OPTIONS_GHC -O #-}
+-- We always optimise this, otherwise performance of a non-optimised
+-- compiler is severely affected
+
 -- -----------------------------------------------------------------------------
 --
 -- (c) The University of Glasgow, 1997-2006
@@ -23,7 +27,6 @@ module Encoding (
        zDecodeString
   ) where
 
-#define COMPILING_FAST_STRING
 #include "HsVersions.h"
 import Foreign
 import Data.Char       ( ord, chr, isDigit, digitToInt, intToDigit,