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diff --git a/testsuite/tests/rename/should_compile/T4534.hs b/testsuite/tests/rename/should_compile/T4534.hs
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+{-# LANGUAGE TransformListComp #-}
+
+-- GHC 7.0.1 failed because the renamer didn't attach
+-- all the used variables to the TransformListComp constructor
+
+module List where
+
+intersectFront :: Ord a => [a] -> [a] -> [a]
+intersectFront xs ys = [x | (x,y) <- zip xs ys, then takeWhile by x == y]