Rewrite empty attribute lint

Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
2025-07-04 12:42:33 +02:00
parent febb10d0a2
commit 3fa0ec91d8
27 changed files with 198 additions and 194 deletions
--- a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
@@ -298,6 +298,10 @@ impl<S: Stage> CombineAttributeParser<S> for TargetFeatureParser {
            cx.expected_list(cx.attr_span);
            return features;
        };
+        if list.is_empty() {
+            cx.warn_empty_attribute(cx.attr_span);
+            return features;
+        }
        for item in list.mixed() {
            let Some(name_value) = item.meta_item() else {
                cx.expected_name_value(item.span(), Some(sym::enable));