From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/nll/mutating_references.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/test/ui/nll/mutating_references.rs

(limited to 'src/test/ui/nll/mutating_references.rs')

diff --git a/src/test/ui/nll/mutating_references.rs b/src/test/ui/nll/mutating_references.rs
new file mode 100644
index 000000000..eb46b30b6
--- /dev/null
+++ b/src/test/ui/nll/mutating_references.rs
@@ -0,0 +1,24 @@
+// run-pass
+
+struct List<T> {
+    value: T,
+    next: Option<Box<List<T>>>,
+}
+
+fn to_refs<T>(mut list: &mut List<T>) -> Vec<&mut T> {
+    let mut result = vec![];
+    loop {
+        result.push(&mut list.value);
+        if let Some(n) = list.next.as_mut() {
+            list = n;
+        } else {
+            return result;
+        }
+    }
+}
+
+fn main() {
+    let mut list = List { value: 1, next: None };
+    let vec = to_refs(&mut list);
+    assert_eq!(vec![&mut 1], vec);
+}
-- 
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