[GAMEPLAY] Gangplank barrels wont link over certain terrain

This bug was submitted way back ago. As the bug is still there and it never got attention from Riot im reposting it.

Here's the link for the actual report:

http://boards.na.leagueoflegends.com/en/c/bug-report/nvGohZkG-gangplank-barrel-linking-inconsistent-over-certain-terrain?show=nested