From 8fb98ef36846f74c8a642e856808ad5600ae4110 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Sat, 9 Aug 2025 15:16:19 -0700
Subject: mbe: Parse macro `derive` rules

This handles various kinds of errors, but does not allow applying the
derive yet.

This adds the feature gate `macro_derive`.
---
 compiler/rustc_expand/src/errors.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'compiler/rustc_expand/src/errors.rs')

diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs
index e58269991fc..ba9d76970f0 100644
--- a/compiler/rustc_expand/src/errors.rs
+++ b/compiler/rustc_expand/src/errors.rs
@@ -490,6 +490,7 @@ pub(crate) struct MacroArgsBadDelim {
     pub span: Span,
     #[subdiagnostic]
     pub sugg: MacroArgsBadDelimSugg,
+    pub rule_kw: Symbol,
 }
 
 #[derive(Subdiagnostic)]
-- 
cgit 1.4.1-3-g733a5