Attach (recommended) or Link to PDF file here:
issue13500 (in test corpus)

This regressed when landing #13566. 

What is the expected behavior? (add screenshot)
<img width="664" alt="image" src="https://user-images.githubusercontent.com/942640/122467522-7bc8aa80-cf6f-11eb-9d4d-311eb7c64fb2.png">


What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/942640/122467565-85eaa900-cf6f-11eb-9c10-8a8686ed440c.png)


targetPageArea = target;
            i = Infinity;
            continue;
          } else if (target instanceof ContentArea) {
            const index = contentAreas.findIndex(e => e === target);
            if (index !== -1) {
              i = index - 1;
            } else {
              i--;
            }
          }
          continue;
        }
        flush(i);
      }
      this[$extra].pageNumber += 1;
      if (targetPageArea) {
        if (targetPageArea[$isUsable]()) {
          targetPageArea[$extra].numberOfUse += 1;
        } else {
          targetPageArea = null;
        }
      }
      pageArea = targetPageArea || pageArea[$getNextPage]();
    }
  }
}
class Text extends ContentObject {
  constructor(attributes) {