upb: implement upb_Message_ShallowClone()/Copy()
PiperOrigin-RevId: 588088145
E
Eric Salo committed
b64c6e193b52e079c04b77530cd6da84b2beddd2
Parent: e73127d
Committed by Copybara-Service <copybara-worker@google.com>
on 12/5/2023, 5:00:55 PM