Handle missing delta positions when unpickling

A missing delta position signifies that the node has
the same position as its parent. Once that case was
added, we can now enable positions when reading from Tasty.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dotty/tools/dotc/transform/Pickler.scala b/src/dotty/tools/dotc/transform/Pickler.scala
index d30c876bd..5da92c079 100644
--- a/src/dotty/tools/dotc/transform/Pickler.scala
+++ b/src/dotty/tools/dotc/transform/Pickler.scala
@@ -89,7 +89,7 @@ class Pickler extends Phase {
       }
     pickling.println("************* entered toplevel ***********")
     for ((cls, unpickler) <- unpicklers) {
-      val (unpickled, source) = unpickler.body(readPositions = false)
+      val (unpickled, source) = unpickler.body(readPositions = true)
       testSame(i"$unpickled%\n%", beforePickling(cls), cls, source)
     }
   }