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/binding/match-ref-binding-mut.rs b/src/test/ui/binding/match-ref-binding-mut.rs
new file mode 100644
index 000000000..d7afd61bc
--- /dev/null
+++ b/src/test/ui/binding/match-ref-binding-mut.rs
@@ -0,0 +1,18 @@
+// run-pass
+#![allow(non_shorthand_field_patterns)]
+
+struct Rec {
+    f: isize
+}
+
+fn destructure(x: &mut Rec) {
+    match *x {
+      Rec {f: ref mut f} => *f += 1
+    }
+}
+
+pub fn main() {
+    let mut v = Rec {f: 22};
+    destructure(&mut v);
+    assert_eq!(v.f, 23);
+}