1 files changed, 18 insertions, 0 deletions
diff --git a/tests/patmat/t4691.scala b/tests/patmat/t4691.scala
new file mode 100644
index 000000000..bfaa61670
--- /dev/null
+++ b/tests/patmat/t4691.scala
@@ -0,0 +1,18 @@
+sealed trait Node
+
+class NodeType1 (val a:Int) extends Node
+class NodeType2 (val b:Int) extends Node
+
+object NodeType1 {
+  def unapply (x : NodeType1) : Some[Int] = Some(x.a)
+}
+
+object NodeType2 {
+  def unapply (x : NodeType2) : Some[Int] = Some(x.b)
+}
+
+object Test {
+  def test (x: Node) = x match {
+    case NodeType1(a) => "got node type 1 " + a
+  }
+}
+\ No newline at end of file