PDFs from lumileds.com do not load with PDF.js. Part of the background loads, then only the spinner continues while using 100% CPU. 

An example pdf is http://www.lumileds.com/uploads/17/DS61-pdf 

This behaviour occurs with both the release version of pdf.js in firefox 41.0.2 and the latest .xpi downloaded from this github page.

this.paintChar(
              accent.fontChar,
              scaledAccentX,
              scaledAccentY,
              patternTransform,
              resetLineWidthToOne
            );
          }
        }
      }
      let charWidth;
      if (vertical) {
        charWidth = width * widthAdvanceScale - spacing * fontDirection;
      } else {
        charWidth = width * widthAdvanceScale + spacing * fontDirection;
      }
      x += charWidth;
      if (restoreNeeded) {
        ctx.restore();
      }
    }
    if (vertical) {
      current.y -= x;
    } else {
      current.x += x * textHScale;
    }
    ctx.restore();
    return undefined;
  }
  showType3Text(glyphs) {