From 2662fa2c61977a09b58fafffab5c61cef35c0d10 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@mit.edu>
Date: Wed, 17 Jul 2024 11:10:27 -0700
Subject: [PATCH] Upgrade syn and synstructure

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
 gc_derive/Cargo.toml | 4 ++--
 gc_derive/src/lib.rs | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gc_derive/Cargo.toml b/gc_derive/Cargo.toml
index 4e065e9..57a27eb 100644
--- a/gc_derive/Cargo.toml
+++ b/gc_derive/Cargo.toml
@@ -15,7 +15,7 @@ name = "gc_derive"
 proc-macro = true
 
 [dependencies]
-syn = "1.0"
+syn = "2.0"
 proc-macro2 = "1.0"
 quote = "1.0"
-synstructure = "0.12"
+synstructure = "0.13"
diff --git a/gc_derive/src/lib.rs b/gc_derive/src/lib.rs
index f1227e2..6a31a65 100644
--- a/gc_derive/src/lib.rs
+++ b/gc_derive/src/lib.rs
@@ -8,7 +8,7 @@ fn derive_trace(mut s: Structure<'_>) -> proc_macro2::TokenStream {
         !bi.ast()
             .attrs
             .iter()
-            .any(|attr| attr.path.is_ident("unsafe_ignore_trace"))
+            .any(|attr| attr.path().is_ident("unsafe_ignore_trace"))
     });
     let trace_body = s.each(|bi| quote!(mark(#bi)));