Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/ui/pattern/bindings-after-at/box-patterns.rs b/tests/ui/pattern/bindings-after-at/box-patterns.rs
new file mode 100644
index 000000000..9db37253c
--- /dev/null
+++ b/tests/ui/pattern/bindings-after-at/box-patterns.rs
@@ -0,0 +1,35 @@
+// Test bindings-after-at with box-patterns
+
+// run-pass
+
+#![feature(box_patterns)]
+
+#[derive(Debug, PartialEq)]
+enum MatchArm {
+    Arm(usize),
+    Wild,
+}
+
+fn test(x: Option<Box<i32>>) -> MatchArm {
+    match x {
+        ref bar @ Some(box n) if n > 0 => {
+            // bar is a &Option<Box<i32>>
+            assert_eq!(bar, &x);
+
+            MatchArm::Arm(0)
+        },
+        Some(ref bar @ box n) if n < 0 => {
+            // bar is a &Box<i32> here
+            assert_eq!(**bar, n);
+
+            MatchArm::Arm(1)
+        },
+        _ => MatchArm::Wild,
+    }
+}
+
+fn main() {
+    assert_eq!(test(Some(Box::new(2))), MatchArm::Arm(0));
+    assert_eq!(test(Some(Box::new(-1))), MatchArm::Arm(1));
+    assert_eq!(test(Some(Box::new(0))), MatchArm::Wild);
+}