expand: Do not report cfg_attr traces on macros as unused attributes

2025-03-21 18:14:27 +03:00
parent 4ac032f857
commit 0ac2801f25
3 changed files with 15 additions and 8 deletions
--- a/compiler/rustc_expand/src/expand.rs
+++ b/compiler/rustc_expand/src/expand.rs
@@ -1941,7 +1941,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> {
                let attr_name = attr.ident().unwrap().name;
                // `#[cfg]` and `#[cfg_attr]` are special - they are
                // eagerly evaluated.
-                if attr_name != sym::cfg && attr_name != sym::cfg_attr {
+                if attr_name != sym::cfg && attr_name != sym::cfg_attr_trace {
                    self.cx.sess.psess.buffer_lint(
                        UNUSED_ATTRIBUTES,
                        attr.span,