Demonstrates that Throwable leaks memory in j2objc, see https://github.com/google/j2objc/issues/601

ThrowableLeaks.java

import com.google.j2objc.annotations.AutoreleasePool;

public class ThrowableLeaks {
  public static void main(String args[]) {
    for (int i = 0; ; i++) {
      foo(i);
      bar(i);
      try {
        Thread.sleep(1000);
      } catch (Exception e) {
      }
    }
  }

  @AutoreleasePool
  public static void foo(int i) {
    System.out.println(i);
    try {
      if ((i % 20) == 0) {
        throw new AssertionError("lost");
      }
    } catch (Throwable e) {
    }
  }

  @AutoreleasePool
  public static void bar(int i) {
    if ((i % 30) == 0) {
      new Throwable("something");
    }
  }
}