Issue579Error.java

// Additional Test case for Issue579
// https://github.com/typetools/checker-framework/issues/579
import org.checkerframework.checker.nullness.qual.NonNull;

class Issue579Error {

    public <T> void foo(Generic<T> real, Generic<? super T> other, boolean flag) {
        //:: error: (type.argument.type.incompatible)
        bar(flag ? real : other);
    }

    <@NonNull Q extends @NonNull Object> void bar(Generic<? extends Q> parm) {}

    interface Generic<F> {}
}