added 'class has Kotlin analog' error

to existing diagnostic tests

compiler/testData/diagnostics/tests/nullabilityAndAutoCasts/kt1778.kt

@@ -3,7 +3,7 @@ package kt1778
 
 fun main(args : Array<String>) {
     val x = args[0]: Any
-    if(x is java.lang.CharSequence) {
+    if(x is <!CLASS_HAS_KOTLIN_ANALOG!>java.lang.CharSequence<!>) {
         if ("a" == x) x.length() else x.length() // OK
         if ("a" == x || "b" == x) x.length() else x.length() // <– THEN ERROR
         if ("a" == x && "a" == x) x.length() else x.length() // <– ELSE ERROR