Adafruit update libraries at an alarming rate. You will need to upgrade Adafruit_GFX at the same time.
i.e. via the IDE Library Manager.
No, I have not studied this new constructor. It looks like a parallel interface e.g. 8080-8 or 8080-16
Traditionally Adafruit_ILI9341 only supported SPI interface.
Please post a link to the actual screen on your desk. e.g. Ebay sale
Then we can advise a suitable constructor and suitable wiring.