ensure that cast won't be marked as redundant for jdk7 (IDEA-82002)

(is valid though for jdk6)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/TypeParameterBoundVisibility.java

@@ -6,4 +6,12 @@ class A {
          System.out.println(t.<error descr="'value' has private access in 'A'">value</error>);
       }
    }
-}
+}
+
+abstract class Foo<T extends Foo<T>> {
+    private int field;
+
+    public int bar(T t){
+        return t.<error descr="'field' has private access in 'Foo'">field</error>;
+    }
+}