tree 0f71cb770c356dbf466477f5d74e1319826bfbea
parent 6221a32e9b4316dfa2501209c2e5ba2649ffe956
author Protobuf Team Bot <protobuf-github-bot@google.com> 1779146399 -0700
committer Copybara-Service <copybara-worker@google.com> 1779149257 -0700

Optimize MergeFrom in reflection.cc by enabling fast path for extensions, enums, and messages

Route repeated extension fields, repeated enums, and repeated sub-messages to the fast `MergeRepeatedField` path (which leverages `RepeatedFieldRef::MergeFrom`) instead of the slow `MergeRepeatedFieldOneByOne` element-by-element loop.

PiperOrigin-RevId: 917483393