[AA LC] Approximate anonymous type to single supertype if possible

^KT-55780 Fixed
^KT-55778 Fixed

compiler/testData/asJava/lightClasses/lightClassByPsi/exposedAnonymousType.fir.java

@@ -0,0 +1,38 @@
+final class null /* null*/ {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ extends A {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ implements B {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ extends A implements B {
+  private  ();//  .ctor()
+}
+
+public abstract class A /* A*/ {
+  public  A();//  .ctor()
+}
+
+public abstract interface B /* B*/ {
+}
+
+public final class C /* C*/ {
+  @org.jetbrains.annotations.NotNull()
+  private final A x2;
+
+  @org.jetbrains.annotations.NotNull()
+  private final B x3;
+
+  @org.jetbrains.annotations.NotNull()
+  private final java.lang.Object x1;
+
+  @org.jetbrains.annotations.NotNull()
+  private final java.lang.Object x4;
+
+  public  C();//  .ctor()
+}

compiler/testData/asJava/lightClasses/lightClassByPsi/exposedAnonymousType.java

@@ -0,0 +1,38 @@
+final class null /* null*/ {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ extends A {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ implements B {
+  private  ();//  .ctor()
+}
+
+final class null /* null*/ extends A implements B {
+  private  ();//  .ctor()
+}
+
+public abstract class A /* A*/ {
+  public  A();//  .ctor()
+}
+
+public abstract interface B /* B*/ {
+}
+
+public final class C /* C*/ {
+  @org.jetbrains.annotations.NotNull()
+  private final A x2;
+
+  @org.jetbrains.annotations.NotNull()
+  private final A x4;
+
+  @org.jetbrains.annotations.NotNull()
+  private final B x3;
+
+  @org.jetbrains.annotations.NotNull()
+  private final java.lang.Object x1;
+
+  public  C();//  .ctor()
+}

compiler/testData/asJava/lightClasses/lightClassByPsi/exposedAnonymousType.kt

@@ -0,0 +1,9 @@
+abstract class A
+interface B
+
+class C {
+    private val x1 = object {}
+    private val x2 = object : A() {}
+    private val x3 = object : B {}
+    private val x4 = object : A(), B {}
+}

compiler/testData/asJava/lightClasses/lightClassByPsi/exposedAnonymousType.lib.java

@@ -0,0 +1,22 @@
+public abstract class A /* A*/ {
+  public  A();//  .ctor()
+}
+
+public abstract interface B /* B*/ {
+}
+
+public final class C /* C*/ {
+  @org.jetbrains.annotations.NotNull()
+  private final C.x1.1 x1;
+
+  @org.jetbrains.annotations.NotNull()
+  private final C.x2.1 x2;
+
+  @org.jetbrains.annotations.NotNull()
+  private final C.x3.1 x3;
+
+  @org.jetbrains.annotations.NotNull()
+  private final C.x4.1 x4;
+
+  public  C();//  .ctor()
+}