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-rw-r--r--compiler/rustc_ast_lowering/src/errors.rs5
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs
index f727691bf47..953057681ab 100644
--- a/compiler/rustc_ast_lowering/src/errors.rs
+++ b/compiler/rustc_ast_lowering/src/errors.rs
@@ -212,12 +212,13 @@ pub(crate) struct InvalidRegister<'a> {
 }
 
 #[derive(Diagnostic)]
+#[note]
 #[diag(ast_lowering_invalid_register_class)]
-pub(crate) struct InvalidRegisterClass<'a> {
+pub(crate) struct InvalidRegisterClass {
     #[primary_span]
     pub op_span: Span,
     pub reg_class: Symbol,
-    pub error: &'a str,
+    pub supported_register_classes: String,
 }
 
 #[derive(Diagnostic)]