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-rw-r--r--compiler/rustc_ast_lowering/src/errors.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs
index faa22eece38..2811fe104cd 100644
--- a/compiler/rustc_ast_lowering/src/errors.rs
+++ b/compiler/rustc_ast_lowering/src/errors.rs
@@ -114,10 +114,10 @@ pub struct UnderscoreExprLhsAssign {
 }
 
 #[derive(Diagnostic, Clone, Copy)]
-#[diag(ast_lowering_base_expression_double_dot)]
+#[diag(ast_lowering_base_expression_double_dot, code = "E0797")]
 pub struct BaseExpressionDoubleDot {
     #[primary_span]
-    #[label]
+    #[suggestion(code = "/* expr */", applicability = "has-placeholders", style = "verbose")]
     pub span: Span,
 }