tree fab1df9846ab0b1d25c60f23aaccce4046bdf26c
parent 976029283f00b1b2d7a16209ef8bfc94eb82a3f1
author Protobuf Team Bot <protobuf-github-bot@google.com> 1701968632 -0800
committer Copybara-Service <copybara-worker@google.com> 1701968737 -0800

Extend the weak descriptor message feature to include extensions.
An extension declaration now allows both messages to be weak and will create
the prototype on the fly.

PiperOrigin-RevId: 588811002