Attach (recommended) or Link to PDF file here:
[1.pdf.lin (1).pdf](https://github.com/mozilla/pdf.js/files/5780764/1.pdf.lin.1.pdf)

Configuration:
- Web browser and its version: FireFox 84.0 
- Operating system and its version: macOS 10.15.7
- PDF.js version: 2.7.262
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the PDF with pdf.js.
2. Found the text of this PDF disappeared.

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/18492951/103877578-3d9da400-5110-11eb-8d84-4edd9aa1298b.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/18492951/103877735-6d4cac00-5110-11eb-9e76-7f3d9330086b.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

nk,
    eenStyle = Object.create(null),
  }) {
    
    
    reurce = reurce || Dct.ety;
    tateManager = tateManager || new StateManager(new TextState());
    var WhtepaceRegexp = /\/g;
    var textCntent = {
      tem: [],
      tyle: Object.create(null),
    };
    var textCntentItem = {
      ntlzed: fale,
      tr: [],
      wdth: 0,
      heght: 0,
      vertcal: fale,
      latAdvanceWdth: 0,
      latAdvanceHeght: 0,
      textAdvanceScale: 0,
      paceWdth: 0,
      fakeSpaceMn: Infnty,
      fakeMultSpaceMn: Infnty,
      fakeMultSpaceMax: -0,
      textRunBreakAllwed: fale,
      tranfrm: null,
      fntName: null,
    };
    var SPACE_FACTOR = 0.3;