update check files sensitive to <subsynth> modifier being printed

Author: adriaanm

test/files/run/delambdafy_t6028.check

@@ -1,6 +1,6 @@
 [[syntax trees at end of                lambdalift]] // newSource1.scala
 package <empty> {
-  class T extends Object {
+  <sub_synth> class T extends Object {
     <paramaccessor> private[this] val classParam: String = _;
     def <init>(classParam: String): T = {
       T.super.<init>();
@@ -26,10 +26,10 @@ package <empty> {
       }
     };
     final <artifact> private[this] def $anonfun$1(methodParam$1: String, methodLocal$1: String): String = T.this.classParam.+(T.this.field()).+(methodParam$1).+(methodLocal$1);
-    abstract trait MethodLocalTrait$1 extends Object {
+    abstract <sub_synth> trait MethodLocalTrait$1 extends Object {
       <synthetic> <stable> <artifact> def $outer(): T
     };
-    object MethodLocalObject$2 extends Object with T#MethodLocalTrait$1 {
+    <sub_synth> object MethodLocalObject$2 extends Object with T#MethodLocalTrait$1 {
       def <init>($outer: T, barParam$1: String): T#MethodLocalObject$2.type = {
         MethodLocalObject$2.super.<init>();
         MethodLocalObject$2.this.$asInstanceOf[T#MethodLocalTrait$1$class]()./*MethodLocalTrait$1$class*/$init$(barParam$1);
@@ -43,7 +43,7 @@ package <empty> {
       MethodLocalObject$module$1.elem = new T#MethodLocalObject$2.type(T.this, barParam$1);
       MethodLocalObject$module$1.elem.$asInstanceOf[T#MethodLocalObject$2.type]()
     };
-    abstract trait MethodLocalTrait$1$class extends Object with T#MethodLocalTrait$1 {
+    abstract <sub_synth> trait MethodLocalTrait$1$class extends Object with T#MethodLocalTrait$1 {
       def /*MethodLocalTrait$1$class*/$init$(barParam$1: String): Unit = {
         ()
       };

test/files/run/delambdafy_t6555.check

@@ -1,6 +1,6 @@
 [[syntax trees at end of                specialize]] // newSource1.scala
 package <empty> {
-  class Foo extends Object {
+  <sub_synth> class Foo extends Object {
     def <init>(): Foo = {
       Foo.super.<init>();
       ()

test/files/run/t6028.check

@@ -1,6 +1,6 @@
 [[syntax trees at end of                lambdalift]] // newSource1.scala
 package <empty> {
-  class T extends Object {
+  <sub_synth> class T extends Object {
     <paramaccessor> val classParam: Int = _;
     def <init>(classParam: Int): T = {
       T.super.<init>();
@@ -38,10 +38,10 @@ package <empty> {
       <synthetic> <paramaccessor> private[this] val methodParam$1: Int = _;
       <synthetic> <paramaccessor> private[this] val methodLocal$1: Int = _
     };
-    abstract trait MethodLocalTrait$1 extends Object {
+    abstract <sub_synth> trait MethodLocalTrait$1 extends Object {
       <synthetic> <stable> <artifact> def $outer(): T
     };
-    object MethodLocalObject$2 extends Object with T#MethodLocalTrait$1 {
+    <sub_synth> object MethodLocalObject$2 extends Object with T#MethodLocalTrait$1 {
       def <init>($outer: T, barParam$1: Int): T#MethodLocalObject$2.type = {
         MethodLocalObject$2.super.<init>();
         MethodLocalObject$2.this.$asInstanceOf[T#MethodLocalTrait$1$class]()./*MethodLocalTrait$1$class*/$init$(barParam$1);
@@ -55,7 +55,7 @@ package <empty> {
       MethodLocalObject$module$1.elem = new T#MethodLocalObject$2.type(T.this, barParam$1);
       MethodLocalObject$module$1.elem.$asInstanceOf[T#MethodLocalObject$2.type]()
     };
-    abstract trait MethodLocalTrait$1$class extends Object with T#MethodLocalTrait$1 {
+    abstract <sub_synth> trait MethodLocalTrait$1$class extends Object with T#MethodLocalTrait$1 {
       def /*MethodLocalTrait$1$class*/$init$(barParam$1: Int): Unit = {
         ()
       };

test/files/run/t6555.check

@@ -1,6 +1,6 @@
 [[syntax trees at end of                specialize]] // newSource1.scala
 package <empty> {
-  class Foo extends Object {
+  <sub_synth> class Foo extends Object {
     def <init>(): Foo = {
       Foo.super.<init>();
       ()