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tests/headers: document `needs-symlink` (#2001) 

Added in <https://github.com/rust-lang/rust/pull/126862>.
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许杰友 Jieyou Xu (Joe) 2024-06-24 12:31:35 +08:00 committed by GitHub
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@ -164,6 +164,8 @@ The following header commands will check rustc build settings and target setting
* `needs-rust-lld` — ignores if the rust lld support is not enabled
(`rust.lld = true` in `config.toml`)
* `needs-threads` — ignores if the target does not have threading support
* `needs-symlink` — ignores if the target does not support symlinks. This can be the case on Windows
if the developer did not enable priviledged symlink permissions.
The following header commands will check LLVM support: