Flying boat crash

game crashes when you ride a boat on top of an ender crystal

I was expecting to fall trough or float over the crystal entities.

It floated for a bit, then crashed the game

1. Place ender crystals in a row. (i broke the obsidian after placing)
2. place a boat on a block above the crystals
3.hop in the boat
4.row onto the crystals and forward
5.Result/