all: eliminate unnecessary type conversions

[callthingsoff]

Found by github.com/mdempsky/unconvert

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Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Message from Jes Cok:

Patch Set 1: Commit-Queue+1

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Message from Go LUCI:

Patch Set 1:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2025-10-19T18:28:07Z","revision":"9085f2dcee5ddb32ddf69c375d452efd0ce2fe6b"}

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Message from Jes Cok:

Patch Set 1:

(1 comment)

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Message from Jes Cok:

Patch Set 1: -Commit-Queue

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Message from Go LUCI:

Patch Set 1:

This CL has failed the run. Reason:

Tryjob golang/try/gotip-linux-amd64_avx512-greenteagc has failed with summary (view all results):

---

• go on master (change 712940)

To reproduce, try gomote repro 8700557805683046401.

Additional links for debugging:

• go tool dist test -json output [shard 4]

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Message from Go LUCI:

Patch Set 1: LUCI-TryBot-Result-1

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This PR (HEAD: 3b0f7e8) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/go/+/712940.

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Message from Jes Cok:

Patch Set 2: Commit-Queue+1

(1 comment)

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Message from Go LUCI:

Patch Set 2:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2025-10-19T19:55:47Z","revision":"7377e28a52fb1c1a10e747d35d48308a96dd9085"}

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Message from Jes Cok:

Patch Set 2: -Commit-Queue

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Message from Go LUCI:

Patch Set 2:

This CL has passed the run

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Message from Go LUCI:

Patch Set 2: LUCI-TryBot-Result+1

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Message from Jorropo:

Patch Set 2:

(1 comment)

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Message from Jes Cok:

Patch Set 2:

(1 comment)

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Message from Keith Randall:

Patch Set 2: Auto-Submit+1 Code-Review+2

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Message from Keith Randall:

Patch Set 2: Code-Review+1

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This PR is being closed because golang.org/cl/712940 has been merged.