tree a29b137a9193b038c993adba36e407c3ac4614cb
parent 2f6e7055952eeff2fef2f29edb092c97e7949793
author Jakob Buchgraber <buchgr@google.com> 1714997765 -0700
committer Copybara-Service <copybara-worker@google.com> 1714998668 -0700

Implement `IntoProxied` for repeated field setters

We modify set_<repeated_field> to accept the IntoProxied type as the value and move the value (avoid copying) whenever possible.

For UPB:
 - We fuse the arena of Repeated<T> with the parent message arena.
 - We use upb_Message_SetBaseField to set the upb_Array contained in the Repeated<T>.

For C++:
 - We generate an additional setter thunk that moves the value.
 - The move assignment operator of RepeatedField/RepeatedPtrField is specialized. In order to adhere to the layering check we need to add '#include' statements for all .proto imports to the generated thunks.pb.cc.

PiperOrigin-RevId: 631010333