1 files changed, 15 insertions, 0 deletions
diff --git a/tests/untried/neg/abstract-report2.scala b/tests/untried/neg/abstract-report2.scala
new file mode 100644
index 000000000..3262fee7f
--- /dev/null
+++ b/tests/untried/neg/abstract-report2.scala
@@ -0,0 +1,15 @@
+import java.util.Collection
+
+class Foo extends Collection[Int]
+
+class Bar extends Collection[List[_ <: String]]
+
+class Baz[T] extends Collection[T]
+
+trait Xyz[T] {
+  def foo(x: T): Boolean
+}
+
+trait Bippy[T1, T2, T3] extends Collection[T1] with TraversableOnce[(T2, String)] with Xyz[T3]
+
+class Dingus extends Bippy[String, Set[Int], List[Int]]