package bugs_in; import java.util.HashMap; public class Test_95128 extends HashMap<String, String> { private static final long serialVersionUID = 1L; public HashMap<String, String> toInline() { return this; } private String useOne(String s) { return toInline().get(s); } private static void useTwo() { Test_95128 test= null; String s= test.toInline().get(null); } }