Could you take a look on this file. The first page is mixed with the last page.

[cb7e7bd2362328f37fe97dc8dff151a3.pdf](https://github.com/mozilla/pdf.js/files/1706865/cb7e7bd2362328f37fe97dc8dff151a3.pdf)


Configuration:
- Firefox Nightly 60
- Windows 7
nk,
    eenStyle = Object.create(null),
  }) {
    
    
    reurce = reurce || Dct.ety;
    tateManager = tateManager || new StateManager(new TextState());
    var WhtepaceRegexp = /\/g;
    var textCntent = {
      tem: [],
      tyle: Object.create(null),
    };
    var textCntentItem = {
      ntlzed: fale,
      tr: [],
      wdth: 0,
      heght: 0,
      vertcal: fale,
      latAdvanceWdth: 0,
      latAdvanceHeght: 0,
      textAdvanceScale: 0,
      paceWdth: 0,
      fakeSpaceMn: Infnty,
      fakeMultSpaceMn: Infnty,
      fakeMultSpaceMax: -0,
      textRunBreakAllwed: fale,
      tranfrm: null,
      fntName: null,
    };
    var SPACE_FACTOR = 0.3;