1 files changed, 14 insertions, 0 deletions
diff --git a/tests/untried/pos/t4501.scala b/tests/untried/pos/t4501.scala
new file mode 100644
index 000000000..f7d45eaa5
--- /dev/null
+++ b/tests/untried/pos/t4501.scala
@@ -0,0 +1,14 @@
+// After lub modification
+import scala.collection.mutable.ListBuffer
+
+class A {
+  def foo[T](a:T, b:T):T = a
+  def f1 = foo(ListBuffer(), List())
+  def f2 = foo(ListBuffer(), ListBuffer())
+  def f3 = foo(List(), List())
+
+  // scalap
+  // def f1 : scala.collection.Seq[scala.Nothing] = { /* compiled code */ }
+  // def f2 : scala.collection.mutable.ListBuffer[scala.Nothing] = { /* compiled code */ }
+  // def f3 : scala.collection.immutable.List[scala.Nothing] = { /* compiled code */ }
+}