From 90fcc67d32afd73d28aaf965e152dbe478ea9024 Mon Sep 17 00:00:00 2001
From: mojave2 <chenchen145@huawei.com>
Date: Fri, 25 Aug 2023 19:15:44 +0800
Subject: [PATCH] fix "derivable_impls: attributes are ignored"

---
 clippy_lints/src/derivable_impls.rs |  3 +--
 tests/ui/derivable_impls.fixed      | 13 +++++++++++++
 tests/ui/derivable_impls.rs         | 13 +++++++++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/clippy_lints/src/derivable_impls.rs b/clippy_lints/src/derivable_impls.rs
index 9a85cc4ce2d..d2bfc4f8e27 100644
--- a/clippy_lints/src/derivable_impls.rs
+++ b/clippy_lints/src/derivable_impls.rs
@@ -217,8 +217,7 @@ fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
             if let &Adt(adt_def, args) = cx.tcx.type_of(item.owner_id).instantiate_identity().kind();
             if let attrs = cx.tcx.hir().attrs(item.hir_id());
             if !attrs.iter().any(|attr| attr.doc_str().is_some());
-            if let child_attrs = cx.tcx.hir().attrs(impl_item_hir);
-            if !child_attrs.iter().any(|attr| attr.doc_str().is_some());
+            if cx.tcx.hir().attrs(impl_item_hir).is_empty();
 
             then {
                 if adt_def.is_struct() {
diff --git a/tests/ui/derivable_impls.fixed b/tests/ui/derivable_impls.fixed
index 6cc202414f5..68c5a5c5ca4 100644
--- a/tests/ui/derivable_impls.fixed
+++ b/tests/ui/derivable_impls.fixed
@@ -287,4 +287,17 @@ mod issue10158 {
     }
 }
 
+mod issue11368 {
+    pub struct A {
+        a: u32,
+    }
+
+    impl Default for A {
+        #[track_caller]
+        fn default() -> Self {
+            Self { a: 0 }
+        }
+    }
+}
+
 fn main() {}
diff --git a/tests/ui/derivable_impls.rs b/tests/ui/derivable_impls.rs
index 0aa9acd752d..21d73ba8b77 100644
--- a/tests/ui/derivable_impls.rs
+++ b/tests/ui/derivable_impls.rs
@@ -323,4 +323,17 @@ fn default() -> Self {
     }
 }
 
+mod issue11368 {
+    pub struct A {
+        a: u32,
+    }
+
+    impl Default for A {
+        #[track_caller]
+        fn default() -> Self {
+            Self { a: 0 }
+        }
+    }
+}
+
 fn main() {}