1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_compile/DerivingNewType.hs b/testsuite/tests/indexed-types/should_compile/DerivingNewType.hs
new file mode 100644
index 0000000000..65f3b8520d
--- /dev/null
+++ b/testsuite/tests/indexed-types/should_compile/DerivingNewType.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE TypeFamilies, GeneralizedNewtypeDeriving #-}
+
+module ShouldCompile where
+
+data family S a
+
+newtype instance S Int = S Int
+		       deriving Eq
+
+data family S2 a b
+
+newtype instance S2 Int b = S2 (IO b)
+		          deriving Monad
+