Disallow initializing `Messages` (as well as `Maps` and `RepeatedFields`) with nil `Arena`.
Fixes a test flake. PiperOrigin-RevId: 642334064
P
Protobuf Team Bot committed
e4970aac30ad4e65d10c446108a35ba7b3ad8ca7
Parent: 9f2893a
Committed by Copybara-Service <copybara-worker@google.com>
on 6/11/2024, 6:31:36 PM