keep serialization stability on Scala 2.13.9

fixes scala/scala-dev#809
SethTisue · May 13, 2022 · e8a73b8 · e8a73b8
1 parent 1bac0c6
commit e8a73b8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/core/src/main/scala/scala/collection/immutable/OldHashMap.scala b/core/src/main/scala/scala/collection/immutable/OldHashMap.scala
@@ -35,6 +35,7 @@ import scala.collection.mutable.{Builder, ImmutableBuilder}
   *  @define mayNotTerminateInf
   *  @define willNotTerminateInf
   */
+@SerialVersionUID(-2425602972438308285L)
 sealed abstract class OldHashMap[K, +V]
   extends AbstractMap[K, V]
     with MapOps[K, V, OldHashMap, OldHashMap[K, V]]