1 files changed, 16 insertions, 0 deletions
diff --git a/test/pending/run/t4971.scala b/test/pending/run/t4971.scala
new file mode 100644
index 0000000000..c9b6d6f39f
--- /dev/null
+++ b/test/pending/run/t4971.scala
@@ -0,0 +1,16 @@
+trait A[@specialized(Int) K, @specialized(Double) V] {
+  def doStuff(k: K, v: V): Unit = sys.error("I am overridden, you cannot call me")
+}
+
+trait B[@specialized(Double) V] extends A[Int, V] {
+  override def doStuff(k: Int, v: V): Unit = println("Hi - I'm calling doStuff in B")
+}
+
+object Test {
+  def main(args: Array[String]): Unit = delegate(new B[Double]() {}, 1, 0.1)
+
+  def delegate[@specialized(Int) K, @specialized(Double) V](a: A[K, V], k: K, v: V) {
+    a.doStuff(k, v)
+  }
+}
+