Extricated Addable and AddingBuilder from the f...

Extricated Addable and AddingBuilder from the few classes still
utilizing them and deprecated both. Closes #4059. Already endorsed by
odersky, so no review.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/library/scala/collection/immutable/TreeSet.scala b/src/library/scala/collection/immutable/TreeSet.scala
index d769aee84d..20f79cb8cf 100644
--- a/src/library/scala/collection/immutable/TreeSet.scala
+++ b/src/library/scala/collection/immutable/TreeSet.scala
@@ -12,7 +12,7 @@ package scala.collection
 package immutable
 
 import generic._
-import mutable.{ Builder, AddingBuilder }
+import mutable.{ Builder, SetBuilder }
 
 /** $factoryInfo
  *  @define Coll immutable.TreeSet
@@ -21,7 +21,7 @@ import mutable.{ Builder, AddingBuilder }
 object TreeSet extends ImmutableSortedSetFactory[TreeSet] {
   implicit def implicitBuilder[A](implicit ordering: Ordering[A]): Builder[A, TreeSet[A]] = newBuilder[A](ordering)
   override def newBuilder[A](implicit ordering: Ordering[A]): Builder[A, TreeSet[A]] =
-    new AddingBuilder(empty[A](ordering))
+    new SetBuilder(empty[A](ordering))
 
   /** The empty set of this type
    */