Fix type of outerSelect

Needs to be a TermType, or FirstTransform will replace it with a TypeTree.

Author: odersky

compiler/src/dotty/tools/dotc/ast/tpd.scala

@@ -826,7 +826,7 @@ object tpd extends Trees.Instance[Type] with TypedTreeInfo {
      *  @param tp      The type of the destination of the outer path.
      */
     def outerSelect(levels: Int, tp: Type)(implicit ctx: Context): Tree =
-      untpd.Select(tree, OuterSelectName(EmptyTermName, levels)).withType(tp)
+      untpd.Select(tree, OuterSelectName(EmptyTermName, levels)).withType(SkolemType(tp))
 
     // --- Higher order traversal methods -------------------------------
 

tests/pos/i3130d.scala

@@ -0,0 +1,9 @@
+class D(x: Int) {
+  class DD {
+    inline def apply() = new DD()
+  }
+  val inner = new DD
+}
+object Test {
+  new D(2).inner.apply()
+}