Test for obsolete KT-4860

#KT-4860 Obsolete

compiler/testData/codegen/box/privateConstructors/kt4860.kt

@@ -0,0 +1,12 @@
+open class A private constructor() {
+    companion object : A() {
+    }
+
+    class B: A()
+}
+
+fun box(): String {
+    val a = A
+    val b = A.B()
+    return "OK"
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java

@@ -6316,6 +6316,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("kt4860.kt")
+        public void testKt4860() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/privateConstructors/kt4860.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("secondary.kt")
         public void testSecondary() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/privateConstructors/secondary.kt");