1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_attr_parsing/src/session_diagnostics.rs b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
index 57ac92a0ca1..337921a318c 100644
--- a/compiler/rustc_attr_parsing/src/session_diagnostics.rs
+++ b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
@@ -451,6 +451,14 @@ pub(crate) struct EmptyConfusables {
 }
 
 #[derive(Diagnostic)]
+#[diag(attr_parsing_invalid_alignment_value, code = E0589)]
+pub(crate) struct InvalidAlignmentValue {
+    #[primary_span]
+    pub span: Span,
+    pub error_part: &'static str,
+}
+
+#[derive(Diagnostic)]
 #[diag(attr_parsing_repr_ident, code = E0565)]
 pub(crate) struct ReprIdent {
     #[primary_span]