1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/tests/gadt/T14808.hs b/testsuite/tests/gadt/T14808.hs
new file mode 100644
index 0000000000..da3d5212cd
--- /dev/null
+++ b/testsuite/tests/gadt/T14808.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE ConstraintKinds #-}
+{-# LANGUAGE GADTs #-}
+{-# LANGUAGE TypeApplications #-}
+module T14808 where
+
+import Data.Kind
+
+data ECC ctx f a where
+  ECC :: ctx => f a -> ECC ctx f a
+
+f :: [()] -> ECC () [] ()
+f = ECC @() @[] @()
+
+data ECC2 f a ctx where
+  ECC2 :: ctx => f a -> ECC2 f a ctx
+
+f2 :: [()] -> ECC2 [] () ()
+f2 = ECC2 @() @[] @()