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
return;
                }
                f (elf.ptn.gnreErrr) {
                  
                  
                  warn(`getTextCntent - gnrng XObject: "${rean}".`);
                  return;
                }
                thrw rean;
              })
            );
            return;
          cae OPS.etGState:
            name = arg[0].name;
            f (name && etyGStateCache.getByName(name)) {
              break;
            }
            next(