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Do not validate diagnostic::do_not_recommend args

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This commit is contained in:
mejrs 2026-01-13 23:57:34 +01:00
parent ed6e63092c
commit 0ee43b16b6
1 changed files with 6 additions and 3 deletions
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9
compiler/rustc_attr_parsing/src/parser.rs
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@ -113,9 +113,12 @@ impl ArgParser {
Some(match value {
AttrArgs::Empty => Self::NoArgs,
AttrArgs::Delimited(args) => {
// The arguments of rustc_dummy and diagnostic attributes are not validated
// if the arguments are delimited
if parts == &[sym::rustc_dummy] || parts[0] == sym::diagnostic {
// The arguments of rustc_dummy and diagnostic::do_not_recommend are not validated
// if the arguments are delimited.
// See https://doc.rust-lang.org/reference/attributes/diagnostics.html#r-attributes.diagnostic.namespace.unknown-invalid-syntax
if parts == &[sym::rustc_dummy]
|| parts == &[sym::diagnostic, sym::do_not_recommend]
{
return Some(ArgParser::List(MetaItemListParser {
sub_parsers: ThinVec::new(),
span: args.dspan.entire(),