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Report usage of lib features in ast validation

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This commit is contained in:
Michael Goulet 2024-07-10 16:29:05 -04:00
parent c092b28976
commit 153a381104
4 changed files with 3 additions and 20 deletions
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6
compiler/rustc_ast_passes/src/feature_gate.rs
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@ -607,8 +607,7 @@ fn maybe_stage_features(sess: &Session, features: &Features, krate: &ast::Crate)
// does not check the same for lib features unless there's at least one
// declared lang feature
if !sess.opts.unstable_features.is_nightly_build() {
let lang_features = &features.declared_lang_features;
if lang_features.len() == 0 {
if features.declared_features.is_empty() {
return;
}
for attr in krate.attrs.iter().filter(|attr| attr.has_name(sym::feature)) {
@ -624,7 +623,8 @@ fn maybe_stage_features(sess: &Session, features: &Features, krate: &ast::Crate)
attr.meta_item_list().into_iter().flatten().flat_map(|nested| nested.ident())
{
let name = ident.name;
let stable_since = lang_features
let stable_since = features
.declared_lang_features
.iter()
.flat_map(|&(feature, _, since)| if feature == name { since } else { None })
.next();