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-rw-r--r--testsuite/tests/typecheck/should_compile/T13490.hs12
-rw-r--r--testsuite/tests/typecheck/should_compile/all.T1
2 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/T13490.hs b/testsuite/tests/typecheck/should_compile/T13490.hs
new file mode 100644
index 0000000000..72e0edef54
--- /dev/null
+++ b/testsuite/tests/typecheck/should_compile/T13490.hs
@@ -0,0 +1,12 @@
+{-# LANGUAGE FlexibleContexts, TypeFamilies #-}
+
+module T13490 where
+
+import Data.Typeable
+
+type family Foo a
+
+data C a
+
+foo :: (Typeable (C z), z ~ Foo zp) => C zp
+foo = undefined
diff --git a/testsuite/tests/typecheck/should_compile/all.T b/testsuite/tests/typecheck/should_compile/all.T
index 97a5350c7d..cfc4eff314 100644
--- a/testsuite/tests/typecheck/should_compile/all.T
+++ b/testsuite/tests/typecheck/should_compile/all.T
@@ -547,3 +547,4 @@ test('T13381', normal, compile_fail, [''])
test('T13337', normal, compile, [''])
test('T13343', normal, compile, [''])
test('T13458', normal, compile, [''])
+test('T13490', normal, compile, [''])