added CHECK_TYPE directive to diagnostic tests

compiler/testData/diagnostics/tests/inference/constraints/equalityConstraintOnNullableType.kt

@@ -1,6 +1,5 @@
 // !DIAGNOSTICS: -BASE_WITH_NULLABLE_UPPER_BOUND
-class TypeOf<T>(t: T)
-
+// !CHECK_TYPE
 trait A<T>
 
 fun <T> foo(a: A<T>, aN: A<T?>): T = throw Exception("$a $aN")
@@ -9,13 +8,13 @@ fun <T> doA(a: A<T>): T = throw Exception("$a")
 
 fun test(a: A<Int>, aN: A<Int?>) {
     val aa = doA(aN)
-    TypeOf(aa): TypeOf<Int?>
+    aa checkType { it : _<Int?> }
 
     val nullable = foo(aN, aN)
     //T = Int?, T? = Int? => T = Int?
-    TypeOf(nullable): TypeOf<Int?>
+    nullable checkType { it : _<Int?> }
 
     val notNullable = foo(a, aN)
     //T = Int, T? = Int? => T = Int
-    TypeOf(notNullable): TypeOf<Int>
+    notNullable checkType { it : _<Int> }
 }

compiler/testData/diagnostics/tests/inference/constraints/notNullConstraintOnNullableType.kt

@@ -1,5 +1,4 @@
-class TypeOf<T>(t: T)
-
+// !CHECK_TYPE
 trait A<T>
 
 trait In<in T>
@@ -15,7 +14,7 @@ fun test(out: Out<Int>, i: In<Int>, inv: A<Int>) {
     // T? >: Int => T = Int
     doT(1)
     val r = doOut(out)
-    TypeOf(r): TypeOf<Int>
+    r checkType { it : _<Int> }
 
     // T? <: Int => error
     doIn(<!TYPE_MISMATCH!>i<!>)

compiler/testData/diagnostics/tests/inference/constraints/subtypeConstraintOnNullableType.kt

@@ -1,6 +1,5 @@
 // !DIAGNOSTICS: -BASE_WITH_NULLABLE_UPPER_BOUND
-class TypeOf<T>(t: T)
-
+// !CHECK_TYPE
 trait A<T>
 
 trait Out<out T>
@@ -12,13 +11,13 @@ fun <T> doOut(o: Out<T?>): T = throw Exception("$o")
 fun test(a: A<Int>, aN: A<Int?>, o: Out<Int?>) {
     val out = doOut(o)
     //T? >: Int? => T >: Int
-    TypeOf(out): TypeOf<Int>
+    out checkType { it : _<Int> }
 
     val nullable = foo(aN, o)
     //T = Int?, T? >: Int? => T = Int?
-    TypeOf(nullable): TypeOf<Int?>
+    nullable checkType { it : _<Int?> }
 
     val notNullable = foo(a, o)
     //T = Int, T? >: Int? => T = Int
-    TypeOf(notNullable): TypeOf<Int>
+    notNullable checkType { it : _<Int> }
 }

compiler/testData/diagnostics/tests/inference/constraints/supertypeConstraintOnNullableType.kt

@@ -1,6 +1,5 @@
 // !DIAGNOSTICS: -BASE_WITH_NULLABLE_UPPER_BOUND
-class TypeOf<T>(t: T)
-
+// !CHECK_TYPE
 trait A<T>
 
 trait In<in T>
@@ -12,13 +11,13 @@ fun <T> doIn(i: In<T?>): T = throw Exception("$i")
 fun test(a: A<Int>, aN: A<Int?>, i: In<Int?>) {
     val _in = doIn(i)
     //T? <: Int? => T <: Int?
-    TypeOf(_in): TypeOf<Int?>
+    _in checkType { it : _<Int?> }
 
     val notNullable = foo(a, i)
     //T = Int, T? <: Int? => T = Int
-    TypeOf(notNullable): TypeOf<Int>
+    notNullable checkType { it : _<Int> }
 
     val nullable = foo(aN, i)
     //T = Int?, T? <: Int? => T = Int?
-    TypeOf(nullable): TypeOf<Int?>
+    nullable checkType { it : _<Int?> }
 }