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-rw-r--r--testsuite/tests/typecheck/should_fail/T15527.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T15527.hs b/testsuite/tests/typecheck/should_fail/T15527.hs
index b65c26ca7a..ad5271359a 100644
--- a/testsuite/tests/typecheck/should_fail/T15527.hs
+++ b/testsuite/tests/typecheck/should_fail/T15527.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE Haskell2010 #-}
module T15527 where
f :: (Int -> Int) -> (Int -> Int) -> (Int -> Int)