/*
 * @test
 * @summary moving predicate out of loops may cause array accesses to bypass null check and caused crash
 * @run main/othervm -Xbatch -XX:-TieredCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:CompileCommand=compileonly,TestBypassNullCheck::getController  TestBypassNullCheck
 */
public class TestBypassNullCheck {
   Config initConfig;
   public TestBypassNullCheck() {
       initConfig = new Config(1234, "test");
   }
   public TestBypassNullCheck getController() {
       String customGroupName = initConfig.userName == null ? "" : initConfig.userName;
       customGroupName = customGroupName + ":" + initConfig.dataId;
       State.setCustomName(customGroupName);
       return this;
   }

   public static void main(String [] args) {
       System.out.println("test"+":"+args.length+State.getCustomName());
       TestBypassNullCheck t = new TestBypassNullCheck();
       for (int i=0;i<10000;i++) {
           t.getController();
       }
       t.initConfig = new Config(1234, null);
       t.getController();
   }
}

class Config {
    String dataId;
    String userName;
    public Config(long id, String name) { dataId = ""+id; userName = name; }
}

class State {
    static String customerName="test";
    public static void setCustomName(String name) {
        customerName = name;
    }

    public static String getCustomName() { return customerName; }
}