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-rw-r--r--testsuite/tests/primops/should_run/T21624.hs11
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diff --git a/testsuite/tests/primops/should_run/T21624.hs b/testsuite/tests/primops/should_run/T21624.hs
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+++ b/testsuite/tests/primops/should_run/T21624.hs
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+{-# LANGUAGE MagicHash #-}
+
+import GHC.Int
+import GHC.Prim
+
+mulIntMayOflo :: Int -> Int -> Bool
+mulIntMayOflo (I# x) (I# y) = I# (mulIntMayOflo# x y) /= 0
+
+main :: IO ()
+main = print (mulIntMayOflo maxBound 0x4)
+