encoding/asn1: use reflect.TypeFor for known types

[apocelipes]

For #60088

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Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Message from veners chang:

Patch Set 1:

(1 comment)

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Message from Roland Shoemaker:

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":"2023-08-30T17:07:11Z","revision":"98c297cc2ed3a6fc76aa00b9ff696bbbca6b0c8a"}

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Message from Roland Shoemaker:

Patch Set 1: -Commit-Queue

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Patch Set 1:

This CL has passed the run

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Patch Set 1: LUCI-TryBot-Result+1

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Message from Ian Lance Taylor:

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

(1 comment)

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Message from Go LUCI:

Patch Set 1:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2023-08-30T19:28:43Z","revision":"98c297cc2ed3a6fc76aa00b9ff696bbbca6b0c8a"}

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Message from Ian Lance Taylor:

Patch Set 1: -Commit-Queue

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Patch Set 1:

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This PR is being closed because golang.org/cl/524259 has been merged.