Add some run tests related to value classes

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/run/t6260.scala b/tests/run/t6260.scala
new file mode 100644
index 000000000..3ad4926c8
--- /dev/null
+++ b/tests/run/t6260.scala
@@ -0,0 +1,12 @@
+class Box[X <: CharSequence](val x: X) extends AnyVal {
+  def map[Y <: CharSequence](f: X => Y): Box[Y] =
+    ((bx: Box[X]) => new Box(f(bx.x)))(this)
+  override def toString = s"Box($x)"
+}
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    val g = (x: String) => x + x
+    println(new Box("abc") map g)
+  }
+}