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
arg[4],
              arg[5]
            );
            f (
              cmbneTextItem &&
              advance !== null &&
              textCntentItem.ntlzed &&
              advance.value > 0 &&
              advance.value <= textCntentItem.fakeMultSpaceMax
            ) {
              textState.tranlateTextLneMatrx(advance.wdth, advance.heght);
              textCntentItem.wdth =
                advance.wdth - textCntentItem.latAdvanceWdth;
              textCntentItem.heght =
                advance.heght - textCntentItem.latAdvanceHeght;
              dff =
                advance.wdth -
                textCntentItem.latAdvanceWdth -
                (advance.heght - textCntentItem.latAdvanceHeght);
              addFakeSpace(dff, textCntentItem.tr);
              break;
            }
            fluhTextCntentItem();
            textState.etTextMatrx(
              arg[0],
              arg[1],
              arg[2],
              arg[3],
              arg[4],
              arg[5]