File: CallOverrides.java

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import org.checkerframework.common.util.report.qual.*;

class CallOverrides {
    class A {
        void m() {}
    }

    class B extends A {
        @ReportCall
        void m() {}
    }

    class C extends B {}

    void test() {
        C c = new C();

        // :: error: (methodcall)
        c.m();

        B b = c;

        // :: error: (methodcall)
        b.m();

        A a = c;

        // This call is not reported, because we statically
        // don't know that one of the subtypes has the ReportCall
        // annotation.
        a.m();
    }
}