1 files changed, 44 insertions, 0 deletions
diff --git a/tests/untried/neg/t4749.scala b/tests/untried/neg/t4749.scala
new file mode 100644
index 000000000..2c67e2ea9
--- /dev/null
+++ b/tests/untried/neg/t4749.scala
@@ -0,0 +1,44 @@
+package bippy {
+  object Fail1 {
+    def main(args: Array[String]): Any = ()
+  }
+
+  object Fail2 {
+    def main[T](args: Array[String]): T = null.asInstanceOf[T]
+  }
+
+  abstract class Bippy[T] {
+    def main(args: Array[String]): T = null.asInstanceOf[T]
+  }
+  object Fail3 extends Bippy[Unit] { }
+
+
+  object Fail4 {
+    def main(args: Array[String]): Unit = ()
+  }
+  trait Fail4 { }
+
+  object Fail5 extends Fail5 { }
+  class Fail5 {
+    def main(args: Array[String]): Unit = ()
+  }
+
+  object Fail6 {
+    def main(args: Array[String]): Unit = ()
+  }
+  class Fail6 {
+    def main = "bippy"
+  }
+
+  object Win1 {
+    def main(args: Array[String]): Unit = ()
+  }
+  object Win2 extends Bippy[Unit] {
+    override def main(args: Array[String]): Unit = ()
+  }
+  trait WinBippy[T] {
+    def main(args: Array[String]): T = null.asInstanceOf[T]
+  }
+  object Win3 extends WinBippy[Unit] { }
+}
+