SI-9363 - Add empty serializable

2 files changed, 3 insertions, 1 deletions

diff --git a/src/library/scala/PartialFunction.scala b/src/library/scala/PartialFunction.scala
index 4d3f117cff..c1a413d516 100644
--- a/src/library/scala/PartialFunction.scala
+++ b/src/library/scala/PartialFunction.scala
@@ -249,7 +249,7 @@ object PartialFunction {
 
   private[this] val constFalse: Any => Boolean = { _ => false}
 
-  private[this] val empty_pf: PartialFunction[Any, Nothing] = new PartialFunction[Any, Nothing] {
+  private[this] val empty_pf: PartialFunction[Any, Nothing] = new PartialFunction[Any, Nothing] with Serializable {
     def isDefinedAt(x: Any) = false
     def apply(x: Any) = throw new MatchError(x)
     override def orElse[A1, B1](that: PartialFunction[A1, B1]) = that
diff --git a/test/junit/scala/PartialFunctionSerializationTest.scala b/test/junit/scala/PartialFunctionSerializationTest.scala
index d4f20f0019..d525b045cd 100644
--- a/test/junit/scala/PartialFunctionSerializationTest.scala
+++ b/test/junit/scala/PartialFunctionSerializationTest.scala
@@ -31,4 +31,6 @@ class PartialFunctionSerializationTest {
   @Test def canSerializeUnlifted = assertSerializable(Function.unlift((x: Int) => Some(x)))
 
   @Test def canSerializeAndThen = assertSerializable(pf1.andThen((x: Int) => x))
+
+  @Test def canSerializeEmpty = assertSerializable(PartialFunction.empty)
 }