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-rw-r--r--compiler/utils/StringBuffer.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/utils/StringBuffer.hs b/compiler/utils/StringBuffer.hs
index 08402101af..39941e2f7a 100644
--- a/compiler/utils/StringBuffer.hs
+++ b/compiler/utils/StringBuffer.hs
@@ -7,7 +7,7 @@ Buffers for scanning string input stored in external arrays.
-}
{-# LANGUAGE BangPatterns, CPP, MagicHash, UnboxedTuples #-}
-{-# OPTIONS_GHC -O #-}
+{-# OPTIONS_GHC -O2 #-}
-- We always optimise this, otherwise performance of a non-optimised
-- compiler is severely affected