From 4547b622d8d29df964fa2914213088b148c498fc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:32 +0200
Subject: Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/tools/clippy/tests/ui/mut_mut.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/tools/clippy/tests/ui/mut_mut.rs')

diff --git a/src/tools/clippy/tests/ui/mut_mut.rs b/src/tools/clippy/tests/ui/mut_mut.rs
index ac8fd9d8f..ee3a85656 100644
--- a/src/tools/clippy/tests/ui/mut_mut.rs
+++ b/src/tools/clippy/tests/ui/mut_mut.rs
@@ -57,3 +57,20 @@ fn issue6922() {
     // do not lint from an external macro
     mut_mut!();
 }
+
+mod issue9035 {
+    use std::fmt::Display;
+
+    struct Foo<'a> {
+        inner: &'a mut dyn Display,
+    }
+
+    impl Foo<'_> {
+        fn foo(&mut self) {
+            let hlp = &mut self.inner;
+            bar(hlp);
+        }
+    }
+
+    fn bar(_: &mut impl Display) {}
+}
-- 
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