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-rw-r--r--src/runtime/haskell/Data/Binary/Get.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/runtime/haskell/Data/Binary/Get.hs b/src/runtime/haskell/Data/Binary/Get.hs
index 54f17ae95..895789061 100644
--- a/src/runtime/haskell/Data/Binary/Get.hs
+++ b/src/runtime/haskell/Data/Binary/Get.hs
@@ -1,4 +1,6 @@
{-# LANGUAGE CPP, MagicHash #-}
+-- This module makes profiling a lot slower, so don't add automatic cost centres
+{-# OPTIONS_GHC -fno-prof-auto #-}
-- for unboxed shifts
-----------------------------------------------------------------------------