// Test case for Issue 1817:
// https://github.com/typetools/checker-framework/issues/1817

import java.util.List;
import java.util.function.Consumer;

@SuppressWarnings("") // only check for crashes
class Issue1817 {
    {
        Consumer<List<?>> c = values -> values.forEach(value -> f(value));
    }

    void f(Object o) {}
}