tree c3a16b4a52a97ff06eff5607052518a1fe759164
parent 81041edfaea0f9ff7f724a0079542abd544f62e4
author Mark Hansen <markhansen@google.com> 1716943652 -0700
committer Copybara-Service <copybara-worker@google.com> 1716943954 -0700

Avoid allocating new ExtensionWriters when serializing messages with no extensions

This should speed up serializing Extendable Messages (messages with extension ranges declared in their schema) if those message instances have no extensions set inside them at runtime.

PiperOrigin-RevId: 638087120