RT @davidtgoldblatt@twitter.com

A nice shared_ptr optimization from @MagedMMichael@twitter.com and @wakomeup@twitter.com: https://github.com/gcc-mirror/gcc/commit/dbf8bd3c2f2cd2d27ca4f0fe379bd9490273c6d7. No need for atomic RMWs if your pointer is never "really" shared.

🐦🔗: https://twitter.com/davidtgoldblatt/status/1477728140600307714