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-rw-r--r--src/dotty/tools/dotc/transform/TreeTransform.scala4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/transform/TreeTransform.scala b/src/dotty/tools/dotc/transform/TreeTransform.scala
index 0e182a99a..4ed2ebde7 100644
--- a/src/dotty/tools/dotc/transform/TreeTransform.scala
+++ b/src/dotty/tools/dotc/transform/TreeTransform.scala
@@ -51,6 +51,10 @@ object TreeTransforms {
/** id of this treeTransform in group */
var idx: Int = _
+ /** List of names of phases that should have finished their processing of all compilation units
+ * before this phase starts */
+ def runsAfterGroupsOf: Set[String] = Set.empty
+
def prepareForIdent(tree: Ident)(implicit ctx: Context) = this
def prepareForSelect(tree: Select)(implicit ctx: Context) = this
def prepareForThis(tree: This)(implicit ctx: Context) = this