1 files changed, 13 insertions, 0 deletions
diff --git a/tests/run/i1490.scala b/tests/run/i1490.scala
new file mode 100644
index 000000000..554bc3940
--- /dev/null
+++ b/tests/run/i1490.scala
@@ -0,0 +1,13 @@
+class Base {
+  type T = Int | Boolean
+  def test(x: Object) = x.isInstanceOf[T]
+}
+
+object Test {
+  def main(args: Array[String]) = {
+    val b = new Base
+    println(b.test(Int.box(3)))
+    println(b.test(Boolean.box(false)))
+    println(b.test(Double.box(3.4)))
+  }
+}
+\ No newline at end of file