5.1.2版本下折线图渲染bug

[learnerYoung]

Version

5.1.2

Reproduction link

https://www.makeapie.com/editor.html?c=x7IbnQExDy&v=1

Steps to reproduce

访问重现链接后出现折线图渲染bug

What is expected?

正常渲染

What is actually happening?

5.1.2版本出现了奇奇怪怪的线

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此bug仅仅在5.1.2版本复现，任意其余echarts版本无法复现 (这在我和我的同事的电脑上是个必现的bug)

浏览器版本信息：Google Chrome 版本 92.0.4515.107（正式版本） （64 位）
操作系统版本信息：Windows 10 专业版 19042.1110

[echarts-bot]

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In the meanwhile, please make sure that it contains a minimum reproducible demo and necessary images to illustrate. Otherwise, our committers will ask you to do so.

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[echarts-bot]

@learnerYoung It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people, we'd like to suggest using English next time. 🤗

TRANSLATED

TITLE

5.1.2 version downline rendering bug

BODY

Version

5.1.2

Reproduction link

https://www.makeapie.com/editor.html?c=x7IbnQExDy&v=1

Steps to reproduce

A line graph rendering bug appears after visiting the replay link

What is expected?

Normal rendering

What is actually happening?

Strange lines appeared in version 5.1.2

---

This bug is only reproduced in version 5.1.2, any other echarts versions cannot be reproduced (this is a must-reproduce bug on my computer and my colleagues' computers)

Browser version information: Google Chrome version 92.0.4515.107 (official version) (64-bit)
Operating system version information: Windows 10 Professional Edition 19042.1110

[pissang]

已经在 ecomfe/zrender#788 中修复，会包含在马上发布的 5.2.0 中