Put the summary of the bug you're having here
What I expected to happen was...:
Pet sitting in the boat, very far away from the lava flow, it will not be burned
What actually happened was...:
Pet sitting in the boat, very far away from the lava flow, but it was burned
Steps to Reproduce:
1. Pets sitting in the boat
2. There are lava flows near the player
3. Pets on board will be burned
Environment
WINDOWS 7
Java 8 Update 77 (8u77)
Dupe of MC-100468