Run all phases in third group at group end

Author: odersky

compiler/src/dotty/tools/dotc/transform/CrossCastAnd.scala

@@ -19,6 +19,9 @@ class CrossCastAnd extends MiniPhaseTransform { thisTransform =>
 
   override def phaseName: String = "crossCast"
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   override def transformSelect(tree: tpd.Select)(implicit ctx: Context, info: TransformerInfo): tpd.Tree = {
 
     lazy val qtype = tree.qualifier.tpe.widen

compiler/src/dotty/tools/dotc/transform/ExplicitOuter.scala

@@ -42,6 +42,9 @@ class ExplicitOuter extends MiniPhaseTransform with InfoTransformer { thisTransf
 
   override def phaseName: String = "explicitOuter"
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   /** List of names of phases that should have finished their processing of all compilation units
     * before this phase starts
     */

compiler/src/dotty/tools/dotc/transform/ExplicitSelf.scala

@@ -28,6 +28,9 @@ class ExplicitSelf extends MiniPhaseTransform { thisTransform =>
 
   override def phaseName = "explicitSelf"
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   override def transformIdent(tree: Ident)(implicit ctx: Context, info: TransformerInfo) = tree.tpe match {
     case tp: ThisType =>
       ctx.debuglog(s"owner = ${ctx.owner}, context = ${ctx}")

compiler/src/dotty/tools/dotc/transform/PatternMatcher.scala

@@ -27,6 +27,9 @@ class PatternMatcher extends MiniPhaseTransform {
   override def runsAfter = Set(classOf[ElimRepeated])
   override def runsAfterGroupsOf = Set(classOf[TailRec]) // tailrec is not capable of reversing the patmat tranformation made for tree
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   override def transformMatch(tree: Match)(implicit ctx: Context, info: TransformerInfo): Tree = {
     val translated = new Translator(tree.tpe, this).translateMatch(tree)
 

compiler/src/dotty/tools/dotc/transform/ShortcutImplicits.scala

@@ -64,6 +64,9 @@ class ShortcutImplicits extends MiniPhase with IdentityDenotTransformer { thisTr
   class Transform extends TreeTransform {
     def phase = thisTransform
 
+    override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+      groupEndPhase
+
     override def prepareForUnit(tree: Tree)(implicit ctx: Context) = new Transform
 
     /** A map to cache mapping local methods to their direct counterparts.

compiler/src/dotty/tools/dotc/transform/Splitter.scala

@@ -13,6 +13,9 @@ class Splitter extends MiniPhaseTransform { thisTransform =>
 
   override def phaseName: String = "splitter"
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   /** Distribute arguments among splitted branches */
   def distribute(tree: GenericApply[Type], rebuild: (Tree, List[Tree]) => Context => Tree)(implicit ctx: Context) = {
     def recur(fn: Tree): Tree = fn match {

compiler/src/dotty/tools/dotc/transform/TryCatchPatterns.scala

@@ -45,6 +45,9 @@ class TryCatchPatterns extends MiniPhaseTransform {
 
   def phaseName: String = "tryCatchPatterns"
 
+  override def treeTransformPhase(implicit ctx: Context, info: TransformerInfo) =
+    groupEndPhase
+
   override def runsAfter = Set(classOf[ElimRepeated])
 
   override def checkPostCondition(tree: Tree)(implicit ctx: Context): Unit = tree match {