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Correctly handle `internal_features` attribute

This commit is contained in:
Guillaume Gomez 2024-06-15 18:20:58 +02:00
parent 475824d811
commit ec4d910190
1 changed files with 13 additions and 1 deletions
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14
src/librustdoc/doctest/make.rs
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@ -465,7 +465,19 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> Option<AttrKind>
} else if attr_name == sym::no_std {
Some(AttrKind::NoStd)
} else if not_crate_attrs.contains(&attr_name) {
Some(AttrKind::Attr)
// There is one exception to these attributes:
// `#![allow(internal_features)]`. If this attribute is used, we need to
// consider it only as a crate-level attribute.
if attr_name == sym::allow
&& let Some(list) = attr.meta_item_list()
&& list.iter().any(|sub_attr| {
sub_attr.name_or_empty().as_str() == "internal_features"
})
{
Some(AttrKind::CrateAttr)
} else {
Some(AttrKind::Attr)
}
} else {
Some(AttrKind::CrateAttr)
}