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, 18 insertions, 0 deletions

diff --git a/src/test/ui/functions-closures/clone-closure.rs b/src/test/ui/functions-closures/clone-closure.rs
new file mode 100644
index 000000000..1e725d805
--- /dev/null
+++ b/src/test/ui/functions-closures/clone-closure.rs
@@ -0,0 +1,18 @@
+// run-pass
+// Check that closures implement `Clone`.
+
+#[derive(Clone)]
+struct S(i32);
+
+fn main() {
+    let mut a = S(5);
+    let mut hello = move || {
+        a.0 += 1;
+        println!("Hello {}", a.0);
+        a.0
+    };
+
+    let mut hello2 = hello.clone();
+    assert_eq!(6, hello2());
+    assert_eq!(6, hello());
+}