Add test for #11516

2 files changed, 12 insertions, 0 deletions

diff --git a/testsuite/tests/typecheck/should_compile/T11516.hs b/testsuite/tests/typecheck/should_compile/T11516.hs
new file mode 100644
index 0000000000..3b19a997f9
--- /dev/null
+++ b/testsuite/tests/typecheck/should_compile/T11516.hs
@@ -0,0 +1,11 @@
+{-# language PolyKinds #-}
+{-# language FlexibleContexts #-}
+{-# language ConstraintKinds #-}
+{-# language FlexibleInstances #-}
+{-# language FunctionalDependencies #-}
+
+import GHC.Exts (Constraint)
+
+class Ríki (p :: i -> i -> *)
+class (Ríki p) => Varpi p q f | f -> p q
+instance Varpi () () f => Varpi (->) (->) (Either f) where
diff --git a/testsuite/tests/typecheck/should_compile/all.T b/testsuite/tests/typecheck/should_compile/all.T
index b269f58861..e4b1e41b8e 100644
--- a/testsuite/tests/typecheck/should_compile/all.T
+++ b/testsuite/tests/typecheck/should_compile/all.T
@@ -502,4 +502,5 @@ test('RebindHR', normal, compile, [''])
 test('RebindNegate', normal, compile, [''])
 test('T11397', normal, compile, [''])
 test('T11458', normal, compile, [''])
+test('T11516', expect_broken(11516), compile, [''])
 test('T11524', normal, compile, [''])