Joe Tsai 6c28674cea proto: fix merge semantics for oneof message
The proper semantics for a message field within a oneof
when unmarshaling is to merge into an existing message,
rather than replacing it.

Change-Id: I7c08f6e4fa958c6ee6241e9083f7311515a97e15
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/185957
Reviewed-by: Damien Neil <dneil@google.com>
2019-07-12 16:20:52 +00:00
..