
Attach (recommended) or Link to PDF file here:
[NAPEN16171380959.pdf](https://github.com/mozilla/pdf.js/files/6143802/NAPEN16171380959.pdf)

Configuration:
- Web browser and its version: Firefox 88 Nightly
- Operating system and its version: Windows 10
- PDF.js version:
- Is a browser extension: No

What went wrong? (add screenshot)
![](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2021-03-15-10-58-27-ce2796.png)


getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
      var bias = 0;
      var count = type1Subrs.length;
      if (count < 1133) {
        bias = 107;
      } else if (count < 33769) {
        bias = 1131;
      } else {
        bias = 32768;
      }
      
      var type2Subrs = [];
      var i;
      for (i = 0; i < bias; i++) {
        type2Subrs.push([0x0b]);
      }
      for (i = 0; i < count; i++) {
        type2Subrs.push(type1Subrs[i]);
      }
      return type2Subrs;
    },
    wrap: function Type1Font_wrap(
      name,
      glyphs,
      charstrings,
      subrs,
      properties
    ) {
      var cff = new CFF();
      cff.header = new CFFHeader(1, 0, 4, 4);