1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs
index 82f3df40198..e2c9c62512e 100644
--- a/compiler/rustc_trait_selection/src/traits/util.rs
+++ b/compiler/rustc_trait_selection/src/traits/util.rs
@@ -41,7 +41,12 @@ impl<'tcx> TraitAliasExpansionInfo<'tcx> {
 
     /// Adds diagnostic labels to `diag` for the expansion path of a trait through all intermediate
     /// trait aliases.
-    pub fn label_with_exp_info(&self, diag: &mut Diagnostic, top_label: &str, use_desc: &str) {
+    pub fn label_with_exp_info(
+        &self,
+        diag: &mut Diagnostic,
+        top_label: &'static str,
+        use_desc: &str,
+    ) {
         diag.span_label(self.top().1, top_label);
         if self.path.len() > 1 {
             for (_, sp) in self.path.iter().rev().skip(1).take(self.path.len() - 2) {