encoding/pem: handle error from Close

[cuiweixie]

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Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Message from xie cui:

Patch Set 1: Commit-Queue+1

(1 comment)

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 1:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2026-05-24T13:26:37Z","revision":"ed9a6d8e66fb63d387bfb5dea1f4889ca60284b5"}

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Message from xie cui:

Patch Set 1: -Commit-Queue

(Performed by <GERRIT_ACCOUNT_60063> on behalf of <GERRIT_ACCOUNT_37653>)

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 1:

This CL has passed the run

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 1: LUCI-TryBot-Result+1

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Message from Mateusz Poliwczak:

Patch Set 1: Code-Review+2

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Message from Mateusz Poliwczak:

Patch Set 1:

(1 comment)

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Message from Filippo Valsorda:

Patch Set 1: Code-Review+2

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[gopherbot]

This PR (HEAD: d6f1671) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/go/+/782400.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
  • A new "patch set" will then appear in Gerrit.
  • Respond to each comment by marking as Done in Gerrit if implemented as suggested. You can alternatively write a reply.
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  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
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• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.

[gopherbot]

Message from xie cui:

Patch Set 2: Commit-Queue+1

(1 comment)

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2026-05-29T16:56:27Z","revision":"63fe3aa4c1557e13a5fda4a2b971d4cfa0c1b69f"}

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Message from xie cui:

Patch Set 2: -Commit-Queue

(Performed by <GERRIT_ACCOUNT_60063> on behalf of <GERRIT_ACCOUNT_37653>)

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 2:

This CL has passed the run

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Message from golang-scoped@luci-project-accounts.iam.gserviceaccount.com:

Patch Set 2: LUCI-TryBot-Result+1

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Message from David Chase:

Patch Set 2: Code-Review+1

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