From 0d792bea36420e657fb293d9f90f35d8ef96cb4f Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Thu, 10 Jul 2008 12:48:27 +0000
Subject: Move some flags from the Makefile into module pragmas

---
 compiler/utils/FastMutInt.lhs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'compiler/utils/FastMutInt.lhs')

diff --git a/compiler/utils/FastMutInt.lhs b/compiler/utils/FastMutInt.lhs
index 00aba34bba..e8ea58c8db 100644
--- a/compiler/utils/FastMutInt.lhs
+++ b/compiler/utils/FastMutInt.lhs
@@ -1,10 +1,14 @@
+\begin{code}
 {-# OPTIONS -cpp #-}
+{-# OPTIONS_GHC -O #-}
+-- We always optimise this, otherwise performance of a non-optimised
+-- compiler is severely affected
+
 --
 -- (c) The University of Glasgow 2002-2006
 --
 -- Unboxed mutable Ints
 
-\begin{code}
 module FastMutInt(
 	FastMutInt, newFastMutInt,
 	readFastMutInt, writeFastMutInt,
-- 
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