1 files changed, 6 insertions, 0 deletions
diff --git a/tests/run/t751.scala b/tests/run/t751.scala
new file mode 100644
index 000000000..294d3af5c
--- /dev/null
+++ b/tests/run/t751.scala
@@ -0,0 +1,6 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    val map =  Map(1 -> "a", 2 -> "b", 3 -> "c")
+    assert(map.filterKeys(_ % 2 == 0).isInstanceOf[scala.collection.immutable.Map[_,_]])
+  }
+}