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-rw-r--r--testsuite/tests/typecheck/should_fail/tcfail122.hs8
1 files changed, 8 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail122.hs b/testsuite/tests/typecheck/should_fail/tcfail122.hs
new file mode 100644
index 0000000000..ae2bef8bea
--- /dev/null
+++ b/testsuite/tests/typecheck/should_fail/tcfail122.hs
@@ -0,0 +1,8 @@
+{-# LANGUAGE Rank2Types, KindSignatures #-}
+
+module ShouldFail where
+
+-- There should be a kind error, when unifying (a b) against (c d)
+
+foo = [ undefined :: forall a b. a b,
+ undefined :: forall (c:: (* -> *) -> *) (d :: * -> *). c d ]