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-rw-r--r--compiler/rustc_builtin_macros/src/derive.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs
index 2653a9f48b9..e259f5b3955 100644
--- a/compiler/rustc_builtin_macros/src/derive.rs
+++ b/compiler/rustc_builtin_macros/src/derive.rs
@@ -103,7 +103,7 @@ impl MultiItemModifier for Expander {
 fn dummy_annotatable() -> Annotatable {
     Annotatable::GenericParam(ast::GenericParam {
         id: ast::DUMMY_NODE_ID,
-        ident: Ident::empty(),
+        ident: Ident::dummy(),
         attrs: Default::default(),
         bounds: Default::default(),
         is_placeholder: false,