It's polite to check if your bug has been reported recently
When the forums are flooded with the same thread, it gets annoying. A quick search using the search engine would also show that whether or not it is indeed not a bug, and if many people have explained already. So researching your bug is also polite, just in case.
In case you need another resource, lolwiki is a great source for knowing how certain mechanics interact (like Thresh+Relic Shield, and how it is not a bug).
I don't mean to sound condescending, I'm trying to point out we have resources and they're being under-utilized and it helps everyone when more attention is drawn to them.
Good luck and have fun on... er, whatever map you prefer!
[slayer-pantheon-thumbs]
For reference: