1 files changed, 6 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala b/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala
index b5771454f8..e92c3e1654 100644
--- a/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala
+++ b/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala
@@ -245,6 +245,12 @@ abstract class TreeBuilder {
       Assign(lhs, rhs)
   }
 
+  /** Tree for `od op`, start is start0 if od.pos is borked. */
+  def makePostfixSelect(start0: Int, end: Int, od: Tree, op: Name): Tree = {
+    val start = if (od.pos.isDefined) od.pos.startOrPoint else start0
+    atPos(r2p(start, end, end)) { new PostfixSelect(od, op.encode) }
+  }
+
   /** A type tree corresponding to (possibly unary) intersection type */
   def makeIntersectionTypeTree(tps: List[Tree]): Tree =
     if (tps.tail.isEmpty) tps.head