1 files changed, 11 insertions, 0 deletions
diff --git a/tests/untried/pos/t684.scala b/tests/untried/pos/t684.scala
new file mode 100644
index 000000000..fb5cac3a1
--- /dev/null
+++ b/tests/untried/pos/t684.scala
@@ -0,0 +1,11 @@
+package test;
+trait Test {
+  trait Ti;
+  class Foo;
+  def foo(t : Ti) = t match {
+  case t : Foo => true;
+  case _ => false;
+  }
+  class Bar extends Foo with Ti;
+  assert(foo(new Bar));
+}