diff --git a/testsuite/tests/ghc-regress/numeric/should_run/arith018.hs b/testsuite/tests/ghc-regress/numeric/should_run/arith018.hs
new file mode 100644
index 0000000000000000000000000000000000000000..b73fd5a6854d2f65c216978539545f444005dbb1
--- /dev/null
+++ b/testsuite/tests/ghc-regress/numeric/should_run/arith018.hs
@@ -0,0 +1,12 @@
+-- exposes a bug in the native code generator in GHC 6.4.1.  Division by
+-- a power of 2 was being mis-optimsed to a direct shift.
+
+main = do
+  print (map f4 [(-20) .. (-1)])
+  print (map f8 [(-20) .. (-1)])
+
+f4 :: Int -> Int
+f4 x = x `quot` 4
+
+f8 :: Int -> Int
+f8 x = x `quot` 8