std::unix::fs::link using direct linkat call for Solaris.

[devnexen]

Since we support solaris 11 as minimum, we can get rid of the runtime overhead.

try-job: dist-various-2

[rustbot]

r? @ChrisDenton

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[ChrisDenton]

@bors r+ rollup

[bors]

📌 Commit 075f068 has been approved by ChrisDenton

It is now in the queue for this repository.

[workingjubilee]

failed in #126369 with dist-various-2:

   error: unused import: `libc::c_char`
    --> library/std/src/sys/pal/unix/fs.rs:35:5
     |
  35 | use libc::c_char;
     |     ^^^^^^^^^^^^
     |
     = note: `-D unused-imports` implied by `-D warnings`
     = help: to override `-D warnings` add `#[allow(unused_imports)]`

[workingjubilee]

@bors r-

[workingjubilee]

Please request a bors-try attempt after this patch is fixed and before it is r+'d again.

[devnexen]

@bors try

[bors]

@devnexen: 🔑 Insufficient privileges: not in try users

[workingjubilee]

tfw you can't assign people permissions piecemeal.

@bors try

[bors]

⌛ Trying commit c81ffab with merge b7d907c...