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diff --git a/testsuite/tests/typecheck/should_compile/tc197.hs b/testsuite/tests/typecheck/should_compile/tc197.hs
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+{-# LANGUAGE MultiParamTypeClasses, FunctionalDependencies,
+             FlexibleInstances, FlexibleContexts #-}
+
+-- Another dependency analysis test
+-- Notice that 'a' and 'b' are mutually recursive, 
+-- but have different contexts. 
+--
+-- This is the program submitted by Robert van Herk [rherk@cs.uu.nl]
+-- to motivate the refined dependency analysis.
+
+module ShouldCompile where
+import Data.IORef
+
+class MyReader r v | r -> v where
+  myRead :: r -> IO v
+
+data R v = R (IORef v)
+instance MyReader (R v) v where
+  myRead (R v) =
+    do v <- readIORef v
+       return v
+
+
+a :: IO ()
+a =
+  do r <- createReader
+     b r
+
+b :: MyReader r Int => r -> IO ()
+b r =
+  do i <- myRead r
+     if i > 10
+       then a
+       else putStrLn (show i)
+
+createReader :: IO (R Int)
+createReader =
+  do ref <- newIORef 0
+     return (R ref)
+