More tree refactorings.

1) Getting rid of ugen in favor of untpd.
2) Eliminating some unused methods
3) Splitting out CheckTrees from TypedTrees.
4) Moving trees and related classes into separate package dotc.ast

1 files changed, 2 insertions, 2 deletions

diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala
index 395584a49..135437671 100644
--- a/src/dotty/tools/dotc/core/Types.scala
+++ b/src/dotty/tools/dotc/core/Types.scala
@@ -15,7 +15,7 @@ import SymDenotations._
 import Decorators._
 import Denotations._
 import Periods._
-import TypedTrees.tpd._, TypedTrees.TreeMapper, printing.Texts._
+import ast.TypedTrees.tpd._, ast.TypedTrees.TreeMapper, printing.Texts._
 import transform.Erasure
 import printing.Printer
 import scala.util.hashing.{ MurmurHash3 => hashing }
@@ -936,7 +936,7 @@ object Types {
       lastDenotation
     }
 
-    private[core] final def withDenot(denot: Denotation): this.type = {
+    private[dotc] final def withDenot(denot: Denotation): this.type = {
       lastDenotation = denot
       this
     }