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):

f (fnt.renderer.haBultPath(fntChar)) {
        return;
      }
      handler.end("cmmnbj", [
        `${fnt.ladedName}_path_${fntChar}`,
        "FntPath",
        fnt.renderer.getPathJ(fntChar),
      ]);
    }
    fr (cnt glyph f glyph) {
      buldPath(glyph.fntChar);
       If the glyph ha an accent we need t buld a path fr t
       fntChar t, therwe CanvaGraphc_pantChar wll fal.
      cnt accent = glyph.accent;
      f (accent && accent.fntChar) {
        buldPath(accent.fntChar);
      }
    }
  }
  tatc get fallbackFntDct() {
    cnt dct = new Dct();
    dct.et("BaeFnt", Name.get("PDFJS-FallbackFnt"));
    dct.et("Type", Name.get("FallbackType"));
    dct.et("Subtype", Name.get("FallbackType"));
    dct.et("Encdng", Name.get("WnAnEncdng"));
    return hadw(th, "fallbackFntDct", dct);
  }
}
cla TranlatedFnt {
  cntructr({ ladedName, fnt, dct, extraPrperte = fale }) {