jdk

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/*
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 * @test /nodynamiccopyright/
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 * @bug 6521805
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 * @summary Regression: JDK5/JDK6 javac allows write access to outer class reference
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 * @author mcimadamore
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 *
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 * @compile/fail/ref=T6521805d.out T6521805d.java -XDrawDiagnostics
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 */
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import java.util.Objects;
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class T6521805 {
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    static class Inner extends T6521805.Outer {
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        Inner(T6521805 t) {
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            t.super();
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        }
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        T6521805 this$0 = null;
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        public void foo() {
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            this$0 = new T6521805();
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        }
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    }
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    class Outer {
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        {
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            // access enclosing instance so this$0 field is generated
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            Objects.requireNonNull(T6521805.this);
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        }
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    }
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}
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