Fixes and closes #4013.

No review.

1 files changed, 24 insertions, 0 deletions

diff --git a/test/files/run/t4013.scala b/test/files/run/t4013.scala
new file mode 100644
index 0000000000..7060559317
--- /dev/null
+++ b/test/files/run/t4013.scala
@@ -0,0 +1,24 @@
+
+
+trait Base[B] {
+  def data: AnyRef;
+}
+
+
+class Suba[@specialized B](override val data: Array[B]) extends Base[B] {
+  assert(data != null)
+}
+
+
+class Subopt[@specialized B](override val data: Option[B]) extends Base[B] {
+  assert(data != null)
+}
+
+
+object Test {
+  def main(args: Array[String]) {
+    val ss = new Suba[String](Array(""))
+    val si = new Suba[Int](Array(0))
+    new Subopt[Int](Some(0))
+  }
+}