Report warnings by enhanced base types

nj2k/testData/inference/nullability/callExternallyAnnotatedJavaFunction.kt

@@ -1,10 +1,11 @@
 import java.util.Arrays.asList
 
 fun test() {
-    val x: /*T2@*/List</*T1@*/Int> = asList</*T0@*/Int>(1/*LIT*/)/*MutableList<T0@Int>*/
+    val x: /*T2@*/List</*T1@*/Int> = asList</*T0@*/Int>(1/*LIT*/)/*MutableList<T0@Int>!!L*/
     val i: /*T3@*/Int = Integer/*LIT*/.valueOf(""/*LIT*/)/*Int!!L*/
 }
 
 //LOWER <: T0 due to 'PARAMETER'
 //T1 := T0 due to 'INITIALIZER'
+//LOWER <: T2 due to 'INITIALIZER'
 //LOWER <: T3 due to 'INITIALIZER'