From b6c7ce8ec31e352e74a415950ac55557ebfe1a2c Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sat, 13 Sep 2025 10:21:32 -0700
Subject: [PATCH] Specify the cfg in which 'tri!' is used

---
 serde/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/serde/src/lib.rs b/serde/src/lib.rs
index 6f53ed11..a8e9f96b 100644
--- a/serde/src/lib.rs
+++ b/serde/src/lib.rs
@@ -221,7 +221,7 @@ mod lib {
 // performed implicitly by the `?` operator or the standard library's `try!`
 // macro. This simplified macro gives a 5.5% improvement in compile time
 // compared to standard `try!`, and 9% improvement compared to `?`.
-#[allow(unused_macros)]
+#[cfg(not(no_serde_derive))]
 macro_rules! tri {
     ($expr:expr) => {
         match $expr {