Damien Neil c70f5d59d1 internal/impl: avoid redundant lazy extension inits
After taking the lock on a lazy extension's state, check to see if it
was initialized while we were waiting for the lock.

Change-Id: I1cbd52e9d655eec6c9142c97689ae36f219a28f2
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/216898
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
2020-01-29 23:04:37 +00:00
..
2020-01-09 18:06:30 +00:00
2020-01-28 23:27:58 +00:00
2019-08-06 21:16:48 +00:00