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>
1 file changed
tree: 4a4ae50b3052030e6e5157a8f026dab5905260dd
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
  18. SECURITY.md
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