1 files changed, 20 insertions, 0 deletions
diff --git a/test/files/run/t4013b.scala b/test/files/run/t4013b.scala
new file mode 100644
index 0000000000..1262e261f5
--- /dev/null
+++ b/test/files/run/t4013b.scala
@@ -0,0 +1,20 @@
+
+
+trait Base[B] {
+  def data: AnyRef;
+}
+
+
+class M[@specialized(Int) A]
+
+
+class Sub3[@specialized(Int) B](override val data: M[B]) extends Base[B] {
+  assert(data != null)
+}
+
+
+object Test {
+  def main(args: Array[String]) {
+    new Sub3[Int](new M[Int])
+  }
+}