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/traits/inheritance/cast.rs | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/test/ui/traits/inheritance/cast.rs

(limited to 'src/test/ui/traits/inheritance/cast.rs')

diff --git a/src/test/ui/traits/inheritance/cast.rs b/src/test/ui/traits/inheritance/cast.rs
new file mode 100644
index 000000000..9070b9d1f
--- /dev/null
+++ b/src/test/ui/traits/inheritance/cast.rs
@@ -0,0 +1,33 @@
+// run-pass
+#![allow(dead_code)]
+// Testing that supertrait methods can be called on subtrait object types
+
+
+trait Foo {
+    fn f(&self) -> isize;
+}
+
+trait Bar : Foo {
+    fn g(&self) -> isize;
+}
+
+struct A {
+    x: isize
+}
+
+impl Foo for A {
+    fn f(&self) -> isize { 10 }
+}
+
+impl Bar for A {
+    fn g(&self) -> isize { 20 }
+}
+
+pub fn main() {
+    let a = &A { x: 3 };
+    let afoo = a as &dyn Foo;
+    let abar = a as &dyn Bar;
+    assert_eq!(afoo.f(), 10);
+    assert_eq!(abar.g(), 20);
+    assert_eq!(abar.f(), 10);
+}
-- 
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