From 79925ac3947483013ba8136e43bc0449b99bd10c Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Tue, 22 Oct 2024 11:10:51 -0700
Subject: [PATCH] Ignore dead_code warning in regression test

    warning: field `0` is never read
      --> test_suite/tests/regression/issue2846.rs:8:45
       |
    8  |         pub struct S(#[serde(with = $with)] i32);
       |                    - field in this struct   ^^^
    ...
    12 | declare_in_macro!("with");
       | ------------------------- in this macro invocation
       |
       = help: consider removing this field
       = note: `#[warn(dead_code)]` on by default
       = note: this warning originates in the macro `declare_in_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
---
 test_suite/tests/regression/issue2846.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/test_suite/tests/regression/issue2846.rs b/test_suite/tests/regression/issue2846.rs
index c4a91330..c5258a5b 100644
--- a/test_suite/tests/regression/issue2846.rs
+++ b/test_suite/tests/regression/issue2846.rs
@@ -5,7 +5,11 @@ use serde_derive::Deserialize;
 macro_rules! declare_in_macro {
     ($with:literal) => {
         #[derive(Deserialize)]
-        pub struct S(#[serde(with = $with)] i32);
+        pub struct S(
+            #[serde(with = $with)]
+            #[allow(dead_code)]
+            i32,
+        );
     };
 }