Generate explicit call to 'Any()' if no superclass found.

Generate call super-constructor calls as IrDelegatedConstructorCall.

compiler/testData/ir/irText/classes/initBlock.kt

@@ -28,4 +28,16 @@ class Test4 {
     init {
         println("2")
     }
+}
+
+class Test5 {
+    init {
+        println("1")
+    }
+
+    inner class TestInner {
+        init {
+            println("2")
+        }
+    }
 }