1 files changed, 16 insertions, 0 deletions
diff --git a/test/files/run/t4238/J_1.java b/test/files/run/t4238/J_1.java
new file mode 100644
index 0000000000..47a9c21000
--- /dev/null
+++ b/test/files/run/t4238/J_1.java
@@ -0,0 +1,16 @@
+import scala.*;
+
+class J_1 {
+	scala.collection.mutable.HashMap<String, String> map =
+		new scala.collection.mutable.HashMap<String, String>();
+
+	Function1<Tuple2<String, String>, Integer> f =
+	  new scala.runtime.AbstractFunction1<Tuple2<String, String>, Integer>() {
+	    public Integer apply(Tuple2<String, String> s) {
+	      return s._1().length();
+	    }
+    };
+
+	scala.collection.Seq<Integer> counts =
+	  map.groupBy(f).keys().toList();
+}