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rustc: Stricter checking for #[link] attributes

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This commit is contained in:
Vadim Petrochenkov 2022-03-14 13:28:34 +03:00
parent 70b3681bf6
commit 4fa24bcb54
61 changed files with 787 additions and 548 deletions
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31
compiler/rustc_ast_passes/src/feature_gate.rs
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@ -396,37 +396,6 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
}
}
// Check for unstable modifiers on `#[link(..)]` attribute
if attr.has_name(sym::link) {
for nested_meta in attr.meta_item_list().unwrap_or_default() {
if nested_meta.has_name(sym::modifiers) {
if let Some(modifiers) = nested_meta.value_str() {
for modifier in modifiers.as_str().split(',') {
if let Some(modifier) = modifier.strip_prefix(&['+', '-']) {
macro_rules! gate_modifier { ($($name:literal => $feature:ident)*) => {
$(if modifier == $name {
let msg = concat!("`#[link(modifiers=\"", $name, "\")]` is unstable");
gate_feature_post!(
self,
$feature,
nested_meta.name_value_literal_span().unwrap(),
msg
);
})*
}}
gate_modifier!(
"bundle" => native_link_modifiers_bundle
"verbatim" => native_link_modifiers_verbatim
"as-needed" => native_link_modifiers_as_needed
);
}
}
}
}
}
}
// Emit errors for non-staged-api crates.
if !self.features.staged_api {
if attr.has_name(sym::rustc_deprecated)