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diff --git a/src/Data/StableName/Extra.hs b/src/Data/StableName/Extra.hs
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+++ b/src/Data/StableName/Extra.hs
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+{-# LANGUAGE BangPatterns #-}
+{-# OPTIONS_GHC -fno-full-laziness -fno-cse #-}
+module Data.StableName.Extra (
+  StableName,
+  makeStableName',
+) where
+
+import GHC.StableName
+import System.IO.Unsafe
+
+
+-- | This function evaluates its argument to WHNF and returns a stable name for
+-- the evaluation result. This function is not referentially transparent and is
+-- implemented using 'unsafePerformIO'.
+{-# NOINLINE makeStableName' #-}
+makeStableName' :: a -> StableName a
+makeStableName' !x = unsafePerformIO (makeStableName x)