2 files changed, 18 insertions, 0 deletions
diff --git a/test/files/neg/t4728.check b/test/files/neg/t4728.check
new file mode 100644
index 0000000000..c6ef182d34
--- /dev/null
+++ b/test/files/neg/t4728.check
@@ -0,0 +1,7 @@
+t4728.scala:10: error: ambiguous reference to overloaded definition,
+both method f in object Ambiguous of type (ys: Y*)Int
+and  method f in object Ambiguous of type (x: X)Int
+match argument types (Y) and expected result type Any
+  println(Ambiguous.f(new Y))
+                    ^
+one error found
diff --git a/test/files/neg/t4728.scala b/test/files/neg/t4728.scala
new file mode 100644
index 0000000000..36f7860613
--- /dev/null
+++ b/test/files/neg/t4728.scala
@@ -0,0 +1,11 @@
+class X
+class Y extends X
+object Ambiguous {
+  def f(x: X) = 1
+  def f(ys: Y*) = 2
+}
+
+object Test extends App {
+  println(Ambiguous.f(new X))
+  println(Ambiguous.f(new Y))
+}
+\ No newline at end of file