Added an override to immutable.IndexedSeq#toInd...

Added an override to immutable.IndexedSeq#toIndexedSeq which returns
itself. Closes #3732, no review.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/files/run/indexedSeq.scala b/test/files/run/indexedSeq.scala
new file mode 100644
index 0000000000..19308e1d8c
--- /dev/null
+++ b/test/files/run/indexedSeq.scala
@@ -0,0 +1,10 @@
+object Test {
+  import scala.collection.{ mutable, immutable, generic }
+
+  def checkIdentity[A](xs: immutable.IndexedSeq[A]) = assert(xs.toIndexedSeq eq xs)
+
+  def main(args: Array[String]): Unit = {
+    checkIdentity(immutable.Vector(1 to 10: _*))
+    checkIdentity(1 to 10 toIndexedSeq)
+  }
+}