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deduplicate internal feature check

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cyrgani
2026-04-14 19:58:15 +00:00
parent 6e458a5fca
commit 3dcd8ffe88
1 changed files with 11 additions and 20 deletions
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compiler/rustc_expand/src/config.rs
+11 -20
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@@ -106,33 +106,24 @@ pub fn features(sess: &Session, krate_attrs: &[Attribute], crate_name: Symbol) -
// If the enabled feature is unstable, record it.
if UNSTABLE_LANG_FEATURES.iter().find(|f| feature_ident.name == f.name).is_some() {
// When the ICE comes from a standard library crate, 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 standard library and not the compiler in that case,
// but that doesn't really matter - we want a bug report.
if features.internal(feature_ident.name)
&& !STDLIB_STABLE_CRATES.contains(&crate_name)
{
sess.using_internal_features.store(true, std::sync::atomic::Ordering::Relaxed);
}
features.set_enabled_lang_feature(EnabledLangFeature {
gate_name: feature_ident.name,
attr_sp: feature_ident.span,
stable_since: None,
});
continue;
} else {
// Otherwise, the feature is unknown. Enable it as a lib feature.
// It will be checked later whether the feature really exists.
features.set_enabled_lib_feature(EnabledLibFeature {
gate_name: feature_ident.name,
attr_sp: feature_ident.span,
});
}
// Otherwise, the feature is unknown. Enable it as a lib feature.
// It will be checked later whether the feature really exists.
features.set_enabled_lib_feature(EnabledLibFeature {
gate_name: feature_ident.name,
attr_sp: feature_ident.span,
});
// Similar to above, detect internal lib features to suppress
// the ICE message that asks for a report.
// When the ICE comes from a standard library crate, 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 standard library and not the compiler in that case,
// but that doesn't really matter - we want a bug report.
if features.internal(feature_ident.name) && !STDLIB_STABLE_CRATES.contains(&crate_name)
{
sess.using_internal_features.store(true, std::sync::atomic::Ordering::Relaxed);