jdk-24/langtools/test/tools/javac/generics/inference/6938454/T6938454b.java

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import java.util.List;

/*
 * @test
 * @bug 6938454
 *
 * @summary Unable to determine generic type in program that compiles under Java 6
 * @author mcimadamore
 * @compile T6938454b.java
 *
 */

class T6938454b {

    static interface A {}
    static interface B extends A {}
    static class C implements B {}

    <T, R extends T, S extends R> List<R> m(List<T> l, S s) {
        return null;
    }

    List<B> test(List<A> la) {
        return m(la, new C());
    }
}