1 files changed, 16 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/pickling/TastyPickler.scala b/src/dotty/tools/dotc/core/pickling/TastyPickler.scala
index 6bd6f1c44..74cc72b8c 100644
--- a/src/dotty/tools/dotc/core/pickling/TastyPickler.scala
+++ b/src/dotty/tools/dotc/core/pickling/TastyPickler.scala
@@ -7,6 +7,8 @@ import PickleFormat._
 import collection.mutable
 import TastyBuffer._
 import java.util.UUID
+import core.Symbols.Symbol
+import ast.tpd
 
 class TastyPickler {
 
@@ -51,4 +53,18 @@ class TastyPickler {
     assert(all.length == totalSize && all.bytes.length == totalSize, s"totalSize = $totalSize, all.length = ${all.length}, all.bytes.length = ${all.bytes.length}")
     all.bytes
   }
+
+  /**
+   * Addresses in TASTY file of trees, stored by pickling.
+   * Note that trees are checked for reference equality,
+   * so one can reliably use this function only directly after `pickler`
+   */
+  var addrOfTree: tpd.Tree => Option[Addr] = (_ => None)
+
+  /**
+   * Addresses in TASTY file of symbols, stored by pickling.
+   * Note that trees are checked for reference equality,
+   * so one can reliably use this function only dirrectly after `pickler`
+   */
+  var addrOfSym: Symbol => Option[Addr] = (_ => None)
 }