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-rw-r--r--testsuite/tests/ghci/scripts/T15898.script6
1 files changed, 6 insertions, 0 deletions
diff --git a/testsuite/tests/ghci/scripts/T15898.script b/testsuite/tests/ghci/scripts/T15898.script
new file mode 100644
index 0000000000..930b319124
--- /dev/null
+++ b/testsuite/tests/ghci/scripts/T15898.script
@@ -0,0 +1,6 @@
+:set -XDataKinds
+import Data.Proxy
+undefined :: '()
+undefined :: Proxy '() Int
+undefined :: [(), ()]
+undefined :: '( '[], '[] )