tree 019953c8ec7c5384582571ad9ada68907a9df725
parent e1c61a307e316a986776f22bf96de97e825e2d05
author Damien Neil <dneil@google.com> 1572643663 -0700
committer Damien Neil <dneil@google.com> 1583429716 +0000

reflect/protoregistry: avoid deadlock in registration

Under some rare circumstances registration can deadlock
when lazy descriptor initialization consults the registry.

Move the call triggering the lazy init out of the critical section.

Fixes golang/protobuf#1052.

Change-Id: Ic266e06b0db99fea65e797b879ce53e5342fff95
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/204804
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>