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-rw-r--r--testsuite/tests/polykinds/T22743.hs10
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diff --git a/testsuite/tests/polykinds/T22743.hs b/testsuite/tests/polykinds/T22743.hs
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+++ b/testsuite/tests/polykinds/T22743.hs
@@ -0,0 +1,10 @@
+{-# LANGUAGE DataKinds #-}
+module M where
+
+import GHC.Exts
+import Data.Kind
+
+f :: forall f (g :: Type) (a :: TYPE (f g)). Int -> a
+f = f
+
+x = f 0