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Rollup merge of #123501 - Urgau:stabilize-check-cfg, r=petrochenkov

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Stabilize checking of cfgs at compile-time: `--check-cfg` option

This PR stabilize the `--check-cfg` CLI option of `rustc` (and `rustdoc`) 🎉.

In particular this PR does two things:
  1. it makes the `--check-cfg` option stable
  2. and it moves the documentation to the stable books

FCP: https://github.com/rust-lang/rust/issues/82450#issuecomment-1965328542

Resolves #82450

``@rustbot`` labels +S-blocked +F-check-cfg
r? ``@petrochenkov``
This commit is contained in:
Matthias Krüger 2024-04-16 17:54:41 +02:00 • committed by GitHub
commit f54219c473
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78 changed files with 197 additions and 229 deletions
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4
compiler/rustc_lint/src/context/diagnostics/check_cfg.rs
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@ -168,7 +168,7 @@ pub(super) fn unexpected_cfg_name(
diag.note("see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration");
} else {
diag.help(format!("to expect this configuration use `--check-cfg={inst}`"));
diag.note("see <https://doc.rust-lang.org/nightly/unstable-book/compiler-flags/check-cfg.html> for more information about checking conditional configuration");
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}
}
@ -272,6 +272,6 @@ pub(super) fn unexpected_cfg_value(
if !is_cfg_a_well_know_name {
diag.help(format!("to expect this configuration use `--check-cfg={inst}`"));
}
diag.note("see <https://doc.rust-lang.org/nightly/unstable-book/compiler-flags/check-cfg.html> for more information about checking conditional configuration");
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}
}