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, 21 insertions, 0 deletions

diff --git a/src/test/ui/regions/regions-close-over-type-parameter-successfully.rs b/src/test/ui/regions/regions-close-over-type-parameter-successfully.rs
new file mode 100644
index 000000000..48aad9481
--- /dev/null
+++ b/src/test/ui/regions/regions-close-over-type-parameter-successfully.rs
@@ -0,0 +1,21 @@
+// run-pass
+// A test where we (successfully) close over a reference into
+// an object.
+
+trait SomeTrait { fn get(&self) -> isize; }
+
+impl<'a> SomeTrait for &'a isize {
+    fn get(&self) -> isize {
+        **self
+    }
+}
+
+fn make_object<'a,A:SomeTrait+'a>(v: A) -> Box<dyn SomeTrait+'a> {
+    Box::new(v) as Box<dyn SomeTrait+'a>
+}
+
+fn main() {
+    let i: isize = 22;
+    let obj = make_object(&i);
+    assert_eq!(22, obj.get());
+}