1 files changed, 9 insertions, 0 deletions
diff --git a/tests/untried/neg/t1049.scala b/tests/untried/neg/t1049.scala
new file mode 100644
index 000000000..2f59ed3c0
--- /dev/null
+++ b/tests/untried/neg/t1049.scala
@@ -0,0 +1,9 @@
+class J {
+    type tttt[a, b] <: _root_.scala.collection.mutable.Map[a, b]
+
+    def r(aa : tttt[String, String]) = {
+        0 match {
+            case a : a.MapTo =>
+        }
+    }
+}