Attach (recommended) or Link to PDF file here:
https://www.nta.go.jp/taxes/tetsuzuki/shinsei/annai/joyaku/annai/pdf2/250.pdf

Configuration:
- Web browser and its version: Firefox 81.0a1
- Operating system and its version: Debian 5.6.7-1
- PDF.js version: latest in Firefox nightly
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the pdf and paste the following text "本 店 又 は 主 た る 事 務 所 の 所 在 地" in "Full name" and in "Domicile and residence" textfields
2. Print or Save the pdf 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207547-30f05480-e709-11ea-9abd-2af5d970dc46.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207663-69902e00-e709-11ea-8a1d-1ddd30cf0621.png)

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

dest[offset] = (num >> 8) & 0xff;
    dest[offset + 1] = num & 0xff;
  }
  function writeInt32(dest, offset, num) {
    dest[offset] = (num >> 24) & 0xff;
    dest[offset + 1] = (num >> 16) & 0xff;
    dest[offset + 2] = (num >> 8) & 0xff;
    dest[offset + 3] = num & 0xff;
  }
  function writeData(dest, offset, data) {
    var i, ii;
    if (data instanceof Uint8Array) {
      dest.set(data, offset);
    } else if (typeof data === "string") {
      for (i = 0, ii = data.length; i < ii; i++) {
        dest[offset++] = data.charCodeAt(i) & 0xff;
      }
    } else {
      
      for (i = 0, ii = data.length; i < ii; i++) {
        dest[offset++] = data[i] & 0xff;
      }
    }
  }
  
  function OpenTypeFileBuilder(sfnt) {