1 files changed, 10 insertions, 0 deletions
diff --git a/tests/run/t5974.scala b/tests/run/t5974.scala
new file mode 100644
index 000000000..e4e64c51e
--- /dev/null
+++ b/tests/run/t5974.scala
@@ -0,0 +1,10 @@
+object Test extends dotty.runtime.LegacyApp {
+  import scala.collection.JavaConverters._
+
+  def ser(a: AnyRef) =
+    (new java.io.ObjectOutputStream(new java.io.ByteArrayOutputStream())).writeObject(a)
+
+  val l = java.util.Arrays.asList("pigdog").asScala
+  ser(l)
+  println("ok")
+}