test/langtools/tools/javac/generics/inference/6650759/T6650759f.java

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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug     6650759
 * @summary Inference of formal type parameter (unused in formal parameters) is not performed
 * @compile T6650759f.java
 */

import java.util.Collections;

public class T6650759f {

    interface A<X extends A> {}

    static abstract class B<X extends B> implements A<X> {}

    static abstract class C<X extends D> extends B<X> {}

    static class D extends C<D> {}

    <X extends B, Y extends B<X>> Iterable<X> m(Y node) {
        return null;
    }

    public void test(D d) {
        Iterable<D> ops = (true) ? Collections.singletonList(d) : m(d);
    }
}