unchecked call: warning should be shown if instance method is called on raw type (IDEA-61449)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/UncheckedWarning.java

@@ -0,0 +1,6 @@
+class Test {
+  {
+    Class foo = Object.class;
+    <warning descr="Unchecked call to 'isAssignableFrom(Class<?>)' as a member of raw type 'java.lang.Class'">foo.isAssignableFrom</warning>(Object.class);
+  }
+}