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-rw-r--r--testsuite/tests/deriving/should_compile/T17339.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_compile/T17339.hs b/testsuite/tests/deriving/should_compile/T17339.hs
index 4312d2ffc4..a46e4c793d 100644
--- a/testsuite/tests/deriving/should_compile/T17339.hs
+++ b/testsuite/tests/deriving/should_compile/T17339.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE Haskell2010 #-}
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE MultiParamTypeClasses #-}