From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/lint/dead-code/impl-trait.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 tests/ui/lint/dead-code/impl-trait.rs

(limited to 'tests/ui/lint/dead-code/impl-trait.rs')

diff --git a/tests/ui/lint/dead-code/impl-trait.rs b/tests/ui/lint/dead-code/impl-trait.rs
new file mode 100644
index 000000000..757b8f83e
--- /dev/null
+++ b/tests/ui/lint/dead-code/impl-trait.rs
@@ -0,0 +1,18 @@
+#![deny(dead_code)]
+
+trait Trait {
+    type Type;
+}
+
+impl Trait for () {
+    type Type = ();
+}
+
+type Used = ();
+type Unused = (); //~ ERROR type alias `Unused` is never used
+
+fn foo() -> impl Trait<Type = Used> {}
+
+fn main() {
+    foo();
+}
-- 
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