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-rw-r--r--compiler/rustc_hir_analysis/src/errors.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs
index 99262f9871e..852533ff5c9 100644
--- a/compiler/rustc_hir_analysis/src/errors.rs
+++ b/compiler/rustc_hir_analysis/src/errors.rs
@@ -908,6 +908,10 @@ pub(crate) enum ImplNotMarkedDefault {
     },
 }
 
+#[derive(LintDiagnostic)]
+#[diag(hir_analysis_useless_impl_item)]
+pub(crate) struct UselessImplItem;
+
 #[derive(Diagnostic)]
 #[diag(hir_analysis_missing_trait_item, code = E0046)]
 pub(crate) struct MissingTraitItem {