1 files changed, 21 insertions, 0 deletions
diff --git a/tests/untried/pos/t319.scala b/tests/untried/pos/t319.scala
new file mode 100644
index 000000000..eed25eb84
--- /dev/null
+++ b/tests/untried/pos/t319.scala
@@ -0,0 +1,21 @@
+object test {
+
+  trait A { type T; }
+
+  trait B { type T; }
+
+  /** def functor(x: A): B { type T = x.T } */
+  abstract class functor() {
+    val arg: A;
+    val res: B { type T = arg.T } =
+      new B { type T = arg.T; };
+  }
+
+  val a = new  A { type T = String };
+  /** val b: B { type T = String } = functor(a) */
+  val b: B { type T = String } = {
+    val tmp = new functor() { val arg = a };
+    tmp.res
+  }
+
+}