8180450.java

// javac Main.java
// java -XX:-Inline -XX:-TieredCompilation Main 36 8000000
 
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
 
interface I1 {}
interface I2 {}
interface I3 extends I1, I2 {}
class B implements I3 {}
class C implements I3 {}
 
public class Main {
 
  public static void main(String[] args) {
    int numThreads = Integer.parseInt(args[0]);
    int loopCount = Integer.parseInt(args[1]);
    ExecutorService es = Executors.newFixedThreadPool(numThreads);
    I3 b = new B();
    I3 c = new C();
    for (int i = 0; i != numThreads; i++) {
      es.submit(() - >{
        for (int j = 0; j != loopCount; j++) {
          foo(b);
          foo(c);
          goo(b);
          goo(c);
        }
      });
    }
    es.shutdown();
  }
 
  public static boolean foo(I3 i) {
    return i instanceof I1;
  }
 
  public static boolean goo(I3 i) {
    return i instanceof I2;
  }
 
}