The author, David Chisnall, is a co-author on a related paper from PLDI 2016: "Into the Depths of C: Elaborating the De Facto Standards", https://news.ycombinator.com/item?id=11805377
He was also one of the earliest non-Apple contributors to Clang, was on the FreeBSD core team, and wrote the modern GNU Objective-C runtime implementation. His work on Objective-C in particular is prolific.