add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/untried/neg/t8146-non-finitary-2.scala b/tests/untried/neg/t8146-non-finitary-2.scala
new file mode 100644
index 000000000..c12f5f8f4
--- /dev/null
+++ b/tests/untried/neg/t8146-non-finitary-2.scala
@@ -0,0 +1,8 @@
+// Example 3 from "On Decidability of Nominal Subtyping with Variance" (Pierce, Kennedy)
+// http://research.microsoft.com/pubs/64041/fool2007.pdf
+trait N[-Z]
+trait D[Y]
+trait C[X] extends N[N[C[D[X]]]]
+object Test {
+  def foo(c: C[Int]): N[C[Int]] = c
+}