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/overloaded/fixup-deref-mut.rs | 50 +++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/test/ui/overloaded/fixup-deref-mut.rs

(limited to 'src/test/ui/overloaded/fixup-deref-mut.rs')

diff --git a/src/test/ui/overloaded/fixup-deref-mut.rs b/src/test/ui/overloaded/fixup-deref-mut.rs
new file mode 100644
index 000000000..6b2fd72b8
--- /dev/null
+++ b/src/test/ui/overloaded/fixup-deref-mut.rs
@@ -0,0 +1,50 @@
+// run-pass
+
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+use std::ops::{Deref, DerefMut};
+
+// Generic unique/owned smaht pointer.
+struct Own<T> {
+    value: *mut T
+}
+
+impl<T> Deref for Own<T> {
+    type Target = T;
+
+    fn deref<'a>(&'a self) -> &'a T {
+        unsafe { &*self.value }
+    }
+}
+
+impl<T> DerefMut for Own<T> {
+    fn deref_mut<'a>(&'a mut self) -> &'a mut T {
+        unsafe { &mut *self.value }
+    }
+}
+
+struct Point {
+    x: isize,
+    y: isize
+}
+
+impl Point {
+    fn get(&mut self) -> (isize, isize) {
+        (self.x, self.y)
+    }
+}
+
+fn test0(mut x: Own<Point>) {
+    let _ = x.get();
+}
+
+fn test1(mut x: Own<Own<Own<Point>>>) {
+    let _ = x.get();
+}
+
+fn test2(mut x: Own<Own<Own<Point>>>) {
+    let _ = (**x).get();
+}
+
+fn main() {}
-- 
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