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Implement boolean lit support in cfg predicates

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This commit is contained in:
Urgau 2024-09-19 10:13:14 +02:00
parent 57b9b1f974
commit c99f29b29f
6 changed files with 48 additions and 6 deletions
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6
compiler/rustc_expand/src/config.rs
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@ -466,9 +466,9 @@ pub fn parse_cfg<'a>(meta_item: &'a MetaItem, sess: &Session) -> Option<&'a Nest
sess.dcx().emit_err(InvalidCfg::MultiplePredicates { span: l.span() });
None
}
Some([single]) => match single.is_meta_item() {
true => Some(single),
false => {
Some([single]) => match single.meta_item_or_bool() {
Some(meta_item) => Some(meta_item),
None => {
sess.dcx().emit_err(InvalidCfg::PredicateLiteral { span: single.span() });
None
}