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-rw-r--r--compiler/rustc_errors/src/diagnostic.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs
index c66889189ad..a52e95e92d5 100644
--- a/compiler/rustc_errors/src/diagnostic.rs
+++ b/compiler/rustc_errors/src/diagnostic.rs
@@ -178,7 +178,7 @@ impl IntoDiagnosticArg for hir::ConstContext {
 /// Trait implemented by error types. This should not be implemented manually. Instead, use
 /// `#[derive(Subdiagnostic)]` -- see [rustc_macros::Subdiagnostic].
 #[cfg_attr(bootstrap, rustc_diagnostic_item = "AddSubdiagnostic")]
-#[cfg_attr(not(bootstrap), rustc_diagnostic_item = "Subdiagnostic")]
+#[cfg_attr(not(bootstrap), rustc_diagnostic_item = "AddToDiagnostic")]
 pub trait AddToDiagnostic {
     /// Add a subdiagnostic to an existing diagnostic.
     fn add_to_diagnostic(self, diag: &mut Diagnostic);