1 files changed, 6 insertions, 0 deletions
diff --git a/test/neg/cyclic.scala b/test/neg/cyclic.scala
new file mode 100644
index 0000000000..423fa70094
--- /dev/null
+++ b/test/neg/cyclic.scala
@@ -0,0 +1,6 @@
+abstract class test {
+
+  type T = List[T];
+  type U <: List[U];
+
+}