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):

(pfbHeader[4] << 16) |
        (pfbHeader[3] << 8) |
        pfbHeader[2];
    }
    
    var eexecBlock = getEexecBlock(file, eexecBlockLength);
    var eexecBlockParser = new Type1Parser(
      eexecBlock.stream,
      true,
      SEAC_ANALYSIS_ENABLED
    );
    var data = eexecBlockParser.extractFontProgram(properties);
    for (const key in data.properties) {
      properties[key] = data.properties[key];
    }
    var charstrings = data.charstrings;
    var type2Charstrings = this.getType2Charstrings(charstrings);
    var subrs = this.getType2Subrs(data.subrs);
    this.charstrings = charstrings;
    this.data = this.wrap(
      name,
      type2Charstrings,
      this.charstrings,
      subrs,
      properties
    );
    this.seacs = this.getSeacs(data.charstrings);
  }
  Type1Font.prototype = {
    get numGlyphs() {