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-rw-r--r--libraries/base/GHC/TopHandler.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/base/GHC/TopHandler.hs b/libraries/base/GHC/TopHandler.hs
index d98836988a..bb358a337f 100644
--- a/libraries/base/GHC/TopHandler.hs
+++ b/libraries/base/GHC/TopHandler.hs
@@ -241,7 +241,7 @@ safeExit = exitHelper useSafeExit
fastExit = exitHelper useFastExit
unreachable :: IO a
-unreachable = fail "If you can read this, shutdownHaskellAndExit did not exit."
+unreachable = failIO "If you can read this, shutdownHaskellAndExit did not exit."
exitHelper :: CInt -> Int -> IO a
#if defined(mingw32_HOST_OS)