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ignore #[rustc_allow_const_fn_unstable] for macro expansion

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Recognition for `rustc_allow_const_fn_unstable` attribute was errorneously
added in 05f4a9a42a.
This commit is contained in:
Florian Warzecha 2020-10-23 16:54:25 +02:00
parent 3a63bf0299
commit 83fbdddc99
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1 changed files with 2 additions and 7 deletions
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9
compiler/rustc_expand/src/base.rs
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@ -768,13 +768,8 @@ impl SyntaxExtension {
name: Symbol,
attrs: &[ast::Attribute],
) -> SyntaxExtension {
let allow_internal_unstable = {
let mut feat_list = Vec::new();
attr::allow_internal_unstable(sess, &attrs).map(|features| feat_list.extend(features));
attr::rustc_allow_const_fn_unstable(sess, &attrs)
.map(|features| feat_list.extend(features));
Some(feat_list.into())
};
let allow_internal_unstable = attr::allow_internal_unstable(sess, &attrs)
.map(|features| features.collect::<Vec<Symbol>>().into());
let mut local_inner_macros = false;
if let Some(macro_export) = sess.find_by_name(attrs, sym::macro_export) {