1 files changed, 11 insertions, 0 deletions
diff --git a/tests/run/t4660.scala b/tests/run/t4660.scala
new file mode 100644
index 000000000..9aac10ddf
--- /dev/null
+++ b/tests/run/t4660.scala
@@ -0,0 +1,11 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    val traversable = 1 to 20 map (_.toString)
+    def normalize(m: Map[Char, Traversable[String]]) = m.map { case (k,v) => (k, v.toList) }
+
+    val groupedFromView   = traversable.view.groupBy(_(0))
+    val groupedFromStrict = traversable.groupBy(_(0))
+
+    assert(normalize(groupedFromView) == normalize(groupedFromStrict))
+  }
+}