Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/ui/traits/inheritance/simple.rs b/src/test/ui/traits/inheritance/simple.rs
new file mode 100644
index 000000000..ca3a284e5
--- /dev/null
+++ b/src/test/ui/traits/inheritance/simple.rs
@@ -0,0 +1,24 @@
+// run-pass
+#![allow(dead_code)]
+
+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 } }
+
+fn ff<T:Foo>(a: &T) -> isize {
+    a.f()
+}
+
+fn gg<T:Bar>(a: &T) -> isize {
+    a.g()
+}
+
+pub fn main() {
+    let a = &A { x: 3 };
+    assert_eq!(ff(a), 10);
+    assert_eq!(gg(a), 20);
+}