From cf94bdc0742c13e2a0cac864c478b8626b266e1b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/lint/unused/unused-supertrait.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/test/ui/lint/unused/unused-supertrait.rs

(limited to 'src/test/ui/lint/unused/unused-supertrait.rs')

diff --git a/src/test/ui/lint/unused/unused-supertrait.rs b/src/test/ui/lint/unused/unused-supertrait.rs
new file mode 100644
index 000000000..64a8e5204
--- /dev/null
+++ b/src/test/ui/lint/unused/unused-supertrait.rs
@@ -0,0 +1,11 @@
+#![deny(unused_must_use)]
+
+fn it() -> impl ExactSizeIterator<Item = ()> {
+    let x: Box<dyn ExactSizeIterator<Item = ()>> = todo!();
+    x
+}
+
+fn main() {
+    it();
+    //~^ ERROR unused implementer of `Iterator` that must be used
+}
-- 
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