tree 4a4ae50b3052030e6e5157a8f026dab5905260dd
parent a98fe2632cf144d6ed41daf7255aa912f0e430db
author Michael Pratt <mpratt@google.com> 1598366342 -0400
committer Michael Pratt <mpratt@google.com> 1598557362 +0000

runtime: add lock partial order edge (fin -> wbufSpans)

runfinq may have write barriers, thus it may need to take wbufSpans on
any write.

Fixes #41021

Change-Id: Ib69e20994b5d7d1526ad53d6ddb5e2e83bf2ed00
Reviewed-on: https://go-review.googlesource.com/c/go/+/250464
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>