When the chat window is opend it dosent matter if you have any text in the chat window or not, and then you die, the chunks will stutter, vibrate, and fly across the screen rapidly(MC-62958) for 20-30 seconds before minecraft crashes. This can only be created if the chat window was open. Based on sevral tests and calculatens i made, this can be fixed by fixing MC-96861 my other issue, because the death screen doesnt appeasr right away, and so prevents the stuttering chunks. That also means resolving MC-1663 as a WAI. And when testing on machines that dont have AMD the game crashes immediately after death with the chat window open.

Reproduce:
1. make a world.
2.fall into void
3. open chat before death
4.If you have AMD drivers, wait thill the chunk glitch stops, if you dont skip this step.
5. Look at the crash report, notice how the type of error is java.lang.IllegalStateException .