1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index a52e95e92d5..1c440a0a07e 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -339,10 +339,9 @@ impl Diagnostic {
             // The lint index inside the attribute is manually transferred here.
             let lint_index = expectation_id.get_lint_index();
             expectation_id.set_lint_index(None);
-            let mut stable_id = unstable_to_stable
+            let mut stable_id = *unstable_to_stable
                 .get(&expectation_id)
-                .expect("each unstable `LintExpectationId` must have a matching stable id")
-                .normalize();
+                .expect("each unstable `LintExpectationId` must have a matching stable id");
 
             stable_id.set_lint_index(lint_index);
             *expectation_id = stable_id;