1 files changed, 11 insertions, 0 deletions
diff --git a/test/files/run/t4930.scala b/test/files/run/t4930.scala
new file mode 100644
index 0000000000..775f627948
--- /dev/null
+++ b/test/files/run/t4930.scala
@@ -0,0 +1,11 @@
+import collection.immutable.SortedMap
+
+object Test {
+  implicit val ord: Ordering[Array[Byte]] = Ordering.by((_: Array[Byte]).toIterable)
+
+  def main(args: Array[String]): Unit = {
+    val m = SortedMap(Array[Byte](1) -> 0)
+    println(m.to(Array[Byte](1)) flatMap (_._1.mkString))
+    println(m.from(Array[Byte](1)) flatMap (_._1.mkString))
+  }
+}