2 files changed, 19 insertions, 0 deletions
diff --git a/test/files/run/t4761.check b/test/files/run/t4761.check
new file mode 100644
index 0000000000..1698a57bfa
--- /dev/null
+++ b/test/files/run/t4761.check
@@ -0,0 +1,4 @@
+Vector(1, 1, 1, 1, 1)
+Vector(Vector(1, 1, 1, 1, 1))
+List(1, 2)
+List(List(1, 2))
diff --git a/test/files/run/t4761.scala b/test/files/run/t4761.scala
new file mode 100644
index 0000000000..205798b00e
--- /dev/null
+++ b/test/files/run/t4761.scala
@@ -0,0 +1,15 @@
+
+
+
+
+object Test {
+  def main(args: Array[String]) {
+    val gs = for (x <- (1 to 5)) yield { if (x % 2 == 0) List(1).seq else List(1).par }
+    println(gs.flatten)
+    println(gs.transpose)
+
+    val s = Stream(Vector(1).par, Vector(2).par)
+    println(s.flatten.toList)
+    println(s.transpose.map(_.toList).toList)
+  }
+}