1 files changed, 19 insertions, 0 deletions
diff --git a/test/files/run/t2251.scala b/test/files/run/t2251.scala
new file mode 100644
index 0000000000..00c5619b49
--- /dev/null
+++ b/test/files/run/t2251.scala
@@ -0,0 +1,19 @@
+class A
+trait B[T <: B[T]] extends A
+class C extends B[C] { override def toString = "C" }
+class D extends B[D] { override def toString = "D" }
+
+class E {
+  val ys = List(List(new C), Stream(new D))
+}
+
+object Test {
+  def trav = List(List(), Stream())
+
+  def main(args: Array[String]): Unit = {
+    val f = (new E).ys _
+    var xs: Set[List[_ <: Seq[B[_]]]] = Set()
+    xs += f()
+    println(xs)
+  }
+}