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diff --git a/testsuite/tests/module/mod103.hs b/testsuite/tests/module/mod103.hs
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+-- !!! Layout rule extension (restricting empty do's).
+module Foo where
+
+g :: Int -> (Int -> IO a) -> IO a
+g x cont = cont x
+
+f :: Int -> IO Int
+f x = do
+ g x $ \ y -> do
+ f y
+
+