1 files changed, 21 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_run/T2529.hs b/testsuite/tests/deriving/should_run/T2529.hs
new file mode 100644
index 0000000000..d3c3a4b0a3
--- /dev/null
+++ b/testsuite/tests/deriving/should_run/T2529.hs
@@ -0,0 +1,21 @@
+-- Trac #2529
+-- The example below successfully performed the {{{show}}}, but {{{reads}}}
+-- returns an empty list. It fails in both GHCi and GHC. It succeeds if you
+-- replaces the infix symbol with a name.
+
+module Main where
+
+data A = (:<>:) { x :: Int, y :: Int } deriving (Read, Show)
+
+t :: A
+t = 1 :<>: 2
+
+s :: String
+s = show t
+
+r :: [(A,String)]
+r = reads s
+
+main :: IO ()
+main = do putStrLn s
+          putStrLn (show r)