JavaCompilerCore/examples/luar/WCParseTest.jav

import de.dhbwstuttgart.typeinference.Menge;

class WCTest{
  
  void test()
  {
    Menge<Menge<? extends Sub1>> v1 = new Menge<Menge<Sub2>>();
  }

}

class Sub1 {}

class Sub2 extends Sub1 {}

class Sub3 extends Sub2 {}

class N<x> {}

class Test<x> extends N<N<? extends x>> {}