fixed bug 1065

This was caused by the Uncurry phase not fully expanding alias types.
More specifically, the argument&result types of anonymous functions
(Function node) weren't normalized. Presumably other combinations
weren't covered either. These should now be fixed.

1 files changed, 23 insertions, 0 deletions

diff --git a/test/files/run/typealias_overriding.scala b/test/files/run/typealias_overriding.scala
new file mode 100644
index 0000000000..03330498eb
--- /dev/null
+++ b/test/files/run/typealias_overriding.scala
@@ -0,0 +1,23 @@
+// this bug (http://scala-webapps.epfl.ch/bugtracking/bugs/displayItem.do?id=1065)
+// was caused by Uncurry not normalizing all the types
+// (more specifically the argument/return types of an anonymous Function)
+object Test extends Application {
+  trait AddRemove {
+    type TNode <: NodeImpl;
+    trait NodeImpl;
+
+    object removing {
+      type TNode = AddRemove.this.TNode;
+      def printNode(node: TNode, f: TNode => String) = Console.println(f(node))
+    }
+  }
+
+  class Linked extends AddRemove {
+    type TNode = Node // can also directly write `class Node extends super.NodeImpl' -- doesn't change the bug
+    class Node extends super.NodeImpl { override def toString = "LinkedNode" }
+
+    removing.printNode(new Node, (x: removing.TNode) => x.toString) // make inference explicit, doesn't affect the bug
+  }
+
+  new Linked
+}
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