1 files changed, 17 insertions, 0 deletions
diff --git a/test/files/pos/bug422.scala b/test/files/pos/bug422.scala
new file mode 100644
index 0000000000..cb3ba279d4
--- /dev/null
+++ b/test/files/pos/bug422.scala
@@ -0,0 +1,17 @@
+import scala.util.regexp.WordExp;
+import scala.util.automata.WordBerrySethi;
+
+object BoolWordExp extends WordExp {
+  type _labelT = MyLabels;
+  type _regexpT = RegExp;
+  abstract class MyLabels extends Label ;
+  case class MyLabel(c:Char) extends MyLabels;
+}
+
+object MyTranslator extends WordBerrySethi {
+  override val lang = BoolWordExp;
+  import lang._;
+  override protected def seenLabel( r:RegExp, i:Int, label: _labelT ): Unit = {
+    super.seenLabel(r,i,label)
+  }
+}