1 files changed, 12 insertions, 0 deletions
diff --git a/tests/untried/pos/t4112.scala b/tests/untried/pos/t4112.scala
new file mode 100644
index 000000000..ab0f36fdc
--- /dev/null
+++ b/tests/untried/pos/t4112.scala
@@ -0,0 +1,12 @@
+
+
+import collection.immutable._
+
+
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    val treemap = TreeMap(1 -> 2, 3 -> 4) ++ TreeMap(5 -> 6)
+    (treemap: TreeMap[Int, Int])
+  }
+}