bjoernager/rust
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make some rustc_feature internals private, and ensure invariants with debug assertions

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This commit is contained in:
Ralf Jung 2024-10-09 08:30:43 +02:00
parent 46ce5cbf33
commit 1381773e01
6 changed files with 62 additions and 26 deletions
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5
compiler/rustc_expand/src/config.rs
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@ -88,7 +88,7 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
// If the enabled feature is stable, record it.
if let Some(f) = ACCEPTED_FEATURES.iter().find(|f| name == f.name) {
let since = Some(Symbol::intern(f.since));
features.set_enabled_lang_feature(name, mi.span(), since);
features.set_enabled_lang_feature(name, mi.span(), since, None);
continue;
}
@ -104,7 +104,6 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
// If the enabled feature is unstable, record it.
if let Some(f) = UNSTABLE_FEATURES.iter().find(|f| name == f.feature.name) {
(f.set_enabled)(&mut features);
// When the ICE comes from core, alloc or std (approximation of the standard
// library), there's a chance that the person hitting the ICE may be using
// -Zbuild-std or similar with an untested target. The bug is probably in the
@ -115,7 +114,7 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
{
sess.using_internal_features.store(true, std::sync::atomic::Ordering::Relaxed);
}
features.set_enabled_lang_feature(name, mi.span(), None);
features.set_enabled_lang_feature(name, mi.span(), None, Some(f));
continue;
}