make error codes reflect reality better

2025-03-08 18:58:05 +01:00
parent 672452d573
commit 5ab5f8a24a
39 changed files with 414 additions and 344 deletions
--- a/compiler/rustc_attr_parsing/src/attributes/stability.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/stability.rs
@@ -369,7 +369,9 @@ pub(crate) fn parse_unstability<S: Stage>(
            Some(sym::implied_by) => {
                insert_value_into_option_or_error(cx, &param, &mut implied_by, word.unwrap())?
            }
-            Some(sym::old_name) => insert_value_into_option_or_error(cx, &param, &mut old_name)?,
+            Some(sym::old_name) => {
+                insert_value_into_option_or_error(cx, &param, &mut old_name, word.unwrap())?
+            }
            _ => {
                cx.emit_err(session_diagnostics::UnknownMetaItem {
                    span: param.span(),