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-rw-r--r--testsuite/tests/arrows/should_compile/T5283.hs20
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diff --git a/testsuite/tests/arrows/should_compile/T5283.hs b/testsuite/tests/arrows/should_compile/T5283.hs
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+++ b/testsuite/tests/arrows/should_compile/T5283.hs
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+{-# LANGUAGE Arrows #-}
+-- Failed in ghci
+
+module T where
+
+import Prelude
+import Control.Arrow
+
+mapAC :: Arrow arr => Integer -> arr (env, b) c -> arr (env, [b]) [c]
+mapAC n farr = go 1
+ where
+ go i | i == succ n = arr (\(_env, []) -> [])
+ | otherwise = proc ~(env, b : bs) ->
+ do c <- farr -< (env, b)
+ cs <- go (succ i) -< (env, bs)
+ returnA -< c : cs
+
+t :: Arrow arr => arr [a] [a]
+t = proc ys ->
+ (| (mapAC 3) (\y -> returnA -< y) |) ys