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):

} from "../shared/util.js";
import {
  CFF,
  CFFCharset,
  CFFCompiler,
  CFFHeader,
  CFFIndex,
  CFFParser,
  CFFPrivateDict,
  CFFStandardStrings,
  CFFStrings,
  CFFTopDict,
} from "./cff_parser.js";
import { getDingbatsGlyphsUnicode, getGlyphsUnicode } from "./glyphlist.js";
import {
  getEncoding,
  MacRomanEncoding,
  StandardEncoding,
  SymbolSetEncoding,
  ZapfDingbatsEncoding,
} from "./encodings.js";
import {
  getGlyphMapForStandardFonts,
  getNonStdFontMap,
  getStdFontMap,
  getSupplementalGlyphMapForArialBlack,
  getSupplementalGlyphMapForCalibri,
} from "./standard_fonts.js";
import {
  getUnicodeForGlyph,