gopls: use slices package for reverse slice

[Zxilly]

slices has been supported in go1.21 and go1.22

Fixes golang/go#66222

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Patch Set 1:

(1 comment)

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Message from Zxilly Chou:

Patch Set 1:

(1 comment)

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Message from Alan Donovan:

Patch Set 2: Code-Review+2

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Message from Robert Findley:

Patch Set 2: Code-Review+1 Commit-Queue+1

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Message from Go LUCI:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-03-18T19:55:15Z","revision":"91a230b443ce4ca789576baadbe5e71d12930270"}

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Message from Robert Findley:

Patch Set 2: -Commit-Queue

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Message from Go LUCI:

Patch Set 2:

This CL has failed the run. Reason:

Failed Tryjobs:

• golang/try/x_tools-go1.19-linux-amd64. Summary (view all results):

---

FAILURE

• go on release-branch.go1.19 (commit 619b8fd)
• tools on master (change 572116)

Error:
failed to run "test golang.org/x/tools/gopls module": exit status 1

Links:

• "test golang.org/x/tools/gopls module" (combined output)

---

• golang/try/x_tools-gotip-linux-arm64. Summary (view all results):

---

FAILURE

• go on master (commit 3c78ace)
• tools on master (change 572116)

Error:
failed to run "test golang.org/x/tools/gopls module": exit status 1

Links:

• "test golang.org/x/tools/gopls module" (combined output)

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Message from Go LUCI:

Patch Set 2: LUCI-TryBot-Result-1

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Message from Robert Findley:

Patch Set 2: -Code-Review

(1 comment)

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Message from Alan Donovan:

Patch Set 2:

(2 comments)

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Message from Alan Donovan:

Patch Set 2:

(1 comment)

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This PR (HEAD: fc1d59d) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/tools/+/572116.

Important tips:

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Message from Zxilly Chou:

Patch Set 2:

(1 comment)

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Message from Robert Findley:

Patch Set 3: Commit-Queue+1

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Message from Go LUCI:

Patch Set 3:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2024-03-19T00:44:38Z","revision":"d1cff179ee6271603fd0633577bd8bfcfcb73ec3"}

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Message from Robert Findley:

Patch Set 3: -Commit-Queue

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Message from Go LUCI:

Patch Set 3:

This CL has passed the run

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Patch Set 3: LUCI-TryBot-Result+1

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Message from David Chase:

Patch Set 3: Code-Review+1

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This PR is being closed because golang.org/cl/572116 has been merged.