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/borrowck/borrowck-slice-pattern-element-loan-rpass.rs b/src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs
new file mode 100644
index 000000000..4367596c6
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs
@@ -0,0 +1,21 @@
+// run-pass
+
+fn mut_head_tail<'a, A>(v: &'a mut [A]) -> Option<(&'a mut A, &'a mut [A])> {
+    match *v {
+        [ref mut head, ref mut tail @ ..] => {
+            Some((head, tail))
+        }
+        [] => None
+    }
+}
+
+fn main() {
+    let mut v = [1,2,3,4];
+    match mut_head_tail(&mut v) {
+        None => {},
+        Some((h,t)) => {
+            *h = 1000;
+            t.reverse();
+        }
+    }
+}