1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/rustc_attr_parsing/src/session_diagnostics.rs b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
index 263b323e3eb..7cfce579979 100644
--- a/compiler/rustc_attr_parsing/src/session_diagnostics.rs
+++ b/compiler/rustc_attr_parsing/src/session_diagnostics.rs
@@ -446,6 +446,13 @@ pub(crate) struct MustUseIllFormedAttributeInput {
 }
 
 #[derive(Diagnostic)]
+#[diag(attr_parsing_null_on_export, code = E0648)]
+pub(crate) struct NullOnExport {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
 #[diag(attr_parsing_stability_outside_std, code = E0734)]
 pub(crate) struct StabilityOutsideStd {
     #[primary_span]