cmd/compile/internal/ssa: fix typos in comment and log

[testwill]

No description provided.

[gopherbot]

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[gopherbot]

Message from qiulaidongfeng:

Patch Set 1: Code-Review+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":"2024-03-30T07:37:51Z","revision":"8901ff324cd9cb1cd97b07092ff0d61d0d79357c"}

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Message from qiulaidongfeng:

Patch Set 1: -Commit-Queue

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Message from Go LUCI:

Patch Set 1:

This CL has passed the run

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Message from Go LUCI:

Patch Set 1: LUCI-TryBot-Result+1

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Message from Keith Randall:

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

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Message from Keith Randall:

Patch Set 1: Code-Review+1

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This PR is being closed because golang.org/cl/575296 has been merged.