Talking crashes minecraft

Put the summary of the bug you're having here

What I expected to happen was what i would say would show up in the chat...:
Describe what you thought should happen here

What actually happened was when i said something minecraft crashed...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. Speak in a server...
3. Then you will exit the server and it will say minecraft crashed ...