Add kotlin.Any to KClass.superclasses if it's absent

#KT-18476 Fixed

core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt

@@ -17,6 +17,7 @@
 package kotlin.reflect.jvm.internal
 
 import org.jetbrains.kotlin.builtins.CompanionObjectMapping
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.load.java.JvmAbi
@@ -27,7 +28,9 @@ import org.jetbrains.kotlin.load.kotlin.reflect.ReflectKotlinClass
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.DescriptorUtils
+import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
+import org.jetbrains.kotlin.utils.compactIfPossible
 import kotlin.jvm.internal.TypeIntrinsics
 import kotlin.reflect.*
 import kotlin.reflect.jvm.internal.KDeclarationContainerImpl.MemberBelonginess.DECLARED
@@ -113,7 +116,9 @@ internal class KClassImpl<T : Any>(override val jClass: Class<T>) : KDeclaration
         }
 
         val supertypes: List<KType> by ReflectProperties.lazySoft {
-            descriptor.typeConstructor.supertypes.map { kotlinType ->
+            val kotlinTypes = descriptor.typeConstructor.supertypes
+            val result = ArrayList<KTypeImpl>(kotlinTypes.size)
+            kotlinTypes.mapTo(result) { kotlinType ->
                 KTypeImpl(kotlinType) {
                     val superClass = kotlinType.constructor.declarationDescriptor
                     if (superClass !is ClassDescriptor) throw KotlinReflectionInternalError("Supertype not a class: $superClass")
@@ -131,6 +136,13 @@ internal class KClassImpl<T : Any>(override val jClass: Class<T>) : KDeclaration
                     }
                 }
             }
+            if (!KotlinBuiltIns.isSpecialClassWithNoSupertypes(descriptor) && result.all {
+                val classKind = DescriptorUtils.getClassDescriptorForType(it.type).kind
+                classKind == ClassKind.INTERFACE || classKind == ClassKind.ANNOTATION_CLASS
+            }) {
+                result += KTypeImpl(descriptor.builtIns.anyType) { Any::class.java }
+            }
+            result.compactIfPossible()
         }
 
         val declaredNonStaticMembers: Collection<KCallableImpl<*>>