1 files changed, 18 insertions, 0 deletions
diff --git a/test/files/jvm/t8689.scala b/test/files/jvm/t8689.scala
new file mode 100644
index 0000000000..3ee20d711a
--- /dev/null
+++ b/test/files/jvm/t8689.scala
@@ -0,0 +1,18 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    import scala.concurrent._
+    import ExecutionContext.Implicits.global
+    val source1 = Promise[Int]()
+    val source2 = Promise[Int]()
+    val done = Promise[Unit]()
+    source2.completeWith(source1.future).future.onComplete {
+      case _ =>
+         print("success")
+         done.success(())
+    }
+    source2.tryFailure(new TimeoutException)
+    source1.success(123)
+    import duration._
+    Await.result(done.future, 120.seconds)
+  }
+}