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diff --git a/testsuite/tests/deriving/should_run/drvrun017.hs b/testsuite/tests/deriving/should_run/drvrun017.hs
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+{-# LANGUAGE MagicHash #-}
+
+-- Test Show on unboxed types
+
+module Main where
+import GHC.Base
+
+data Foo = MkFoo Int# Float# Int deriving( Show )
+
+main = print (MkFoo 3# 4.3# 2) \ No newline at end of file