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)


target = null;
            }
            const index = contentAreas.findIndex(e => e === target);
            if (index !== -1) {
              flush(i);
              i = index - 1;
            } else {
              i--;
            }
          }
          continue;
        }
        if (this[$extra].overflowNode) {
          const node = this[$extra].overflowNode;
          this[$extra].overflowNode = null;
          flush(i);
          if (node.leader) {
            leader = this[$searchNode](node.leader, node[$getParent]());
            leader = leader ? leader[0] : null;
          }
          if (node.trailer) {
            trailer = this[$searchNode](node.trailer, node[$getParent]());
            trailer = trailer ? trailer[0] : null;
          }
          let target = null;
          if (node.target) {
            target = this[$searchNode](node.target, node[$getParent]());
            target = target ? target[0] : target;
          }
          if (target instanceof PageArea) {