ByNameTypeTree is a TypTree.

odersky · odersky · commit b4b688d1720e · 2014-04-14T15:55:15.000+02:00
Was an oversight before.
diff --git a/src/dotty/tools/dotc/ast/Trees.scala b/src/dotty/tools/dotc/ast/Trees.scala
@@ -639,7 +639,7 @@ object Trees {
 
   /** => T */
   case class ByNameTypeTree[-T >: Untyped] private[ast] (result: Tree[T])
-  extends Tree[T] {
+  extends TypTree[T] {
     type ThisTree[-T >: Untyped] = ByNameTypeTree[T]
   }
 

Original file line number	Diff line number	Diff line change
`@@ -639,7 +639,7 @@ object Trees {`
`639`	`639`
`640`	`640`	`/** => T */`
`641`	`641`	`case class ByNameTypeTree[-T >: Untyped] private[ast] (result: Tree[T])`
`642`		`- extends Tree[T] {`
	`642`	`+ extends TypTree[T] {`
`643`	`643`	`type ThisTree[-T >: Untyped] = ByNameTypeTree[T]`
`644`	`644`	`}`
`645`	`645`