framework/tests/all-systems/Issue3120.java

@SuppressWarnings("all") // Ensure no crashes
public class Issue3120 {
  CharSequence foo() {
    return bar();
  }

  <T extends Enum<T>> CharSequence bar() {
    return null;
  }

  CharSequence foo0() {
    return bar0(null);
  }

  <EnumT extends Enum<EnumT> & AnotherType> CharSequence bar0(SomeType<?> type) {
    return null;
  }

  class SomeType<T> {}

  interface AnotherType {}
}