build(deps): bump golang.org/x/sys from 0.39.0 to 0.40.0

[dependabot]

Bumps golang.org/x/sys from 0.39.0 to 0.40.0.

Commits

• 2f44229 sys/cpu: add symbolic constants for remaining cpuid bits
• e5770d2 sys/cpu: use symbolic names for masks
• 714a44c sys/cpu: modify x86 port to match what internal/cpu does
• See full diff in compare view

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What problem does this PR solve?

Issue Number: close None

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

Hi @dependabot[bot]. Thanks for your PR.

I'm waiting for a pingcap member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[tiprow]

Hi @dependabot[bot]. Thanks for your PR.

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[hawkingrei]

/ok-to-test

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.2992%. Comparing base (0f70129) to head (9473aa1).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #65508        +/-   ##
================================================
+ Coverage   77.8436%   78.2992%   +0.4555%     
================================================
  Files          1967       1896        -71     
  Lines        540843     532151      -8692     
================================================
- Hits         421012     416670      -4342     
+ Misses       118172     114344      -3828     
+ Partials       1659       1137       -522     

Flag	Coverage Δ
integration	44.2627% <ø> (-3.9369%)	⬇️
unit	76.7617% <ø> (+0.3081%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	56.7974% <ø> (+0.1783%)	⬆️
parser	∅ <ø> (∅)
br	60.4947% <ø> (-0.6391%)	⬇️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cfzjywxk, hawkingrei

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Details

Needs approval from an approver in each of these files:

• OWNERS [cfzjywxk,hawkingrei]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2026-01-12 04:18:26.528604143 +0000 UTC m=+244750.590469049: ☑️ agreed by hawkingrei.
• 2026-01-12 04:28:28.325462313 +0000 UTC m=+245352.387327225: ☑️ agreed by cfzjywxk.