Add various tests for DFA testing

compiler/tests-spec/testData/diagnostics/notLinked/dfa/neg/5.kt

@@ -0,0 +1,22 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+ *
+ * SECTIONS: dfa
+ * NUMBER: 5
+ * DESCRIPTION: Raw data flow analysis test
+ * HELPERS: classes, objects, typealiases, enumClasses, interfaces, sealedClasses
+ */
+
+// TESTCASE NUMBER: 1
+class Case1<T : Number> {
+    inline fun <reified T : CharSequence>case_1(x: Any?) {
+        if (x is T) {
+            <!DEBUG_INFO_EXPRESSION_TYPE("T & kotlin.Any & kotlin.Any?")!>x<!>
+            <!DEBUG_INFO_EXPRESSION_TYPE("T & kotlin.Any & kotlin.Any?")!>x<!>.<!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>toByte<!>()
+        }
+    }
+}