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Put checks that detect UB under their own flag below debug_assertions

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This commit is contained in:
Ben Kimock 2024-04-03 08:54:03 -04:00
parent 83d0a940c6
commit a7912cb421
42 changed files with 206 additions and 64 deletions
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1
compiler/rustc_feature/src/builtin_attrs.rs
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@ -25,6 +25,7 @@ pub type GatedCfg = (Symbol, Symbol, GateFn);
const GATED_CFGS: &[GatedCfg] = &[
// (name in cfg, feature, function to check if the feature is enabled)
(sym::overflow_checks, sym::cfg_overflow_checks, cfg_fn!(cfg_overflow_checks)),
(sym::ub_checks, sym::cfg_ub_checks, cfg_fn!(cfg_ub_checks)),
(sym::target_thread_local, sym::cfg_target_thread_local, cfg_fn!(cfg_target_thread_local)),
(
sym::target_has_atomic_equal_alignment,

2
compiler/rustc_feature/src/unstable.rs
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@ -381,6 +381,8 @@ declare_features! (
(unstable, cfg_target_has_atomic_equal_alignment, "1.60.0", Some(93822)),
/// Allows `cfg(target_thread_local)`.
(unstable, cfg_target_thread_local, "1.7.0", Some(29594)),
/// Allows the use of `#[cfg(ub_checks)` to check if UB checks are enabled.
(unstable, cfg_ub_checks, "CURRENT_RUSTC_VERSION", Some(123499)),
/// Allow conditional compilation depending on rust version
(unstable, cfg_version, "1.45.0", Some(64796)),
/// Allows to use the `#[cfi_encoding = ""]` attribute.