1 files changed, 19 insertions, 0 deletions
diff --git a/tests/untried/neg/t558.scala b/tests/untried/neg/t558.scala
new file mode 100644
index 000000000..58b030347
--- /dev/null
+++ b/tests/untried/neg/t558.scala
@@ -0,0 +1,19 @@
+package scala.tools.nsc.models;
+import scala.tools.nsc.io.AbstractFile;
+
+abstract class NewModel {
+  abstract class SymbolURL {
+    val top   : RootURL;
+    val name  : String;
+    val source  : AbstractFile;
+  }
+  abstract class NodeURL extends SymbolURL {
+    val parent : SymbolURL;
+    final val top = parent.top;
+    final val source = top.file;
+
+  }
+  abstract class RootURL extends SymbolURL {
+    final val top   : RootURL = this;
+  }
+}