Ping Nadrieril when changing exhaustiveness checking #111033
                
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Hi!
I don't know what the procedure is but I'd quite like to be pinged when people try to change the exhaustiveness code. It's a tricky piece of code and I'm the de facto expert on it; I'd like to be available to provide feedback to contributors who wish to change it. I occasionally look through the git history and open PRs but a triagebot ping would be much more convenient.
The message says "might have" because
check_match.rscontains a little bit of exhaustiveness logic and a lot of other match-related checks, so this ping will have false positives.