/*

 * @test  /nodynamiccopyright/

 * @bug 6177732

 * @summary add hidden option to have compiler generate diagnostics in more machine-readable form

 * @compile/ref=Warning.out -XDrawDiagnostics -Xlint:unchecked Warning.java

 */

import java.util.HashSet;

import java.util.Set;

class Warning

{

    static void useUnchecked() {

        Set s = new HashSet<String>();

        s.add("abc");

    }

}