5 files changed, 16 insertions, 5 deletions
diff --git a/test/files/run/delambdafy_uncurry_byname_inline.check b/test/files/run/delambdafy_uncurry_byname_inline.check
index d96a995f44..e1ee4c29e2 100644
--- a/test/files/run/delambdafy_uncurry_byname_inline.check
+++ b/test/files/run/delambdafy_uncurry_byname_inline.check
@@ -7,7 +7,7 @@ package <empty> {
     };
     def bar(x: () => Int): Int = x.apply();
     def foo(): Int = Foo.this.bar({
-      @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction0[Int] with Serializable {
+      @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends Object with () => Int with Serializable {
         def <init>(): <$anon: () => Int> = {
           $anonfun.super.<init>();
           ()
diff --git a/test/files/run/delambdafy_uncurry_inline.check b/test/files/run/delambdafy_uncurry_inline.check
index 5521cc4a2c..479e9409fa 100644
--- a/test/files/run/delambdafy_uncurry_inline.check
+++ b/test/files/run/delambdafy_uncurry_inline.check
@@ -7,7 +7,7 @@ package <empty> {
     };
     def bar(): Unit = {
       val f: Int => Int = {
-        @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction1[Int,Int] with Serializable {
+        @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends Object with Int => Int with Serializable {
           def <init>(): <$anon: Int => Int> = {
             $anonfun.super.<init>();
             ()
diff --git a/test/files/run/sammy_restrictions_LMF.scala b/test/files/run/sammy_restrictions_LMF.scala
index 27a3d21dad..aa49e14113 100644
--- a/test/files/run/sammy_restrictions_LMF.scala
+++ b/test/files/run/sammy_restrictions_LMF.scala
@@ -8,6 +8,11 @@ trait TImpure { def apply(x: Int): String ; println(1) }
 trait Println { println(1) }
 trait TImpureSuper extends Println { def apply(x: Int): String  }
 
+class C
+trait A extends C
+trait B extends A
+trait TClassParent extends B { def apply(x: Int): String }
+
 object Test extends App {
   final val AnonFunClass = "$anonfun$"
   final val LMFClass = "$$Lambda$" // LambdaMetaFactory names classes like this
@@ -45,4 +50,8 @@ object Test extends App {
 
   notLMF((x => "a"): TImpure)
   notLMF((x => "a"): TImpureSuper)
+
+  val fClassParent: TClassParent = x => "a"
+  notLMF(fClassParent)
+  assert(fClassParent(1) == "a")
 }
diff --git a/test/files/run/t6028.check b/test/files/run/t6028.check
index 532d177300..f21b77fdc7 100644
--- a/test/files/run/t6028.check
+++ b/test/files/run/t6028.check
@@ -24,9 +24,10 @@ package <empty> {
         (new <$anon: Function0>(T.this, tryyParam, tryyLocal): Function0)
       }
     };
-    @SerialVersionUID(value = 0) final <synthetic> class $anonfun$foo$1 extends scala.runtime.AbstractFunction0$mcI$sp with Serializable {
+    @SerialVersionUID(value = 0) final <synthetic> class $anonfun$foo$1 extends Object with Function0$mcI$sp with Serializable {
       def <init>($outer: T, methodParam$1: Int, methodLocal$1: Int): <$anon: Function0> = {
         $anonfun$foo$1.super.<init>();
+        $anonfun$foo$1.super./*Function0*/$init$();
         ()
       };
       final def apply(): Int = $anonfun$foo$1.this.apply$mcI$sp();
@@ -66,9 +67,10 @@ package <empty> {
       T.this.MethodLocalObject$lzycompute$1(barParam$1, MethodLocalObject$module$1)
     else
       MethodLocalObject$module$1.elem.$asInstanceOf[T#MethodLocalObject$2.type]();
-    @SerialVersionUID(value = 0) final <synthetic> class $anonfun$tryy$1 extends scala.runtime.AbstractFunction0$mcV$sp with Serializable {
+    @SerialVersionUID(value = 0) final <synthetic> class $anonfun$tryy$1 extends Object with Function0$mcV$sp with Serializable {
       def <init>($outer: T, tryyParam$1: Int, tryyLocal$1: runtime.IntRef): <$anon: Function0> = {
         $anonfun$tryy$1.super.<init>();
+        $anonfun$tryy$1.super./*Function0*/$init$();
         ()
       };
       final def apply(): Unit = $anonfun$tryy$1.this.apply$mcV$sp();
diff --git a/test/files/run/t6555.check b/test/files/run/t6555.check
index e3b467ce7c..fef689a80d 100644
--- a/test/files/run/t6555.check
+++ b/test/files/run/t6555.check
@@ -6,7 +6,7 @@ package <empty> {
       ()
     };
     private[this] val f: Int => Int = {
-      @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends scala.runtime.AbstractFunction1$mcII$sp with Serializable {
+      @SerialVersionUID(value = 0) final <synthetic> class $anonfun extends Object with Int => Int with Serializable {
         def <init>(): <$anon: Int => Int> = {
           $anonfun.super.<init>();
           ()