Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/ui/lint/unused/issue-54180-unused-ref-field.rs b/tests/ui/lint/unused/issue-54180-unused-ref-field.rs
new file mode 100644
index 000000000..7b3392b60
--- /dev/null
+++ b/tests/ui/lint/unused/issue-54180-unused-ref-field.rs
@@ -0,0 +1,34 @@
+// run-rustfix
+
+#![deny(unused)]
+
+pub struct S {
+    pub f1: i32,
+}
+
+pub struct Point {
+    pub x: i32,
+    pub y: i32,
+}
+
+pub enum E {
+    Variant { field: String }
+}
+
+pub fn foo(arg: &E) {
+    match arg {
+        E::Variant { ref field } => (), //~ ERROR unused variable
+    }
+}
+
+fn main() {
+    let s = S { f1: 123 };
+    let S { ref f1 } = s; //~ ERROR unused variable
+
+    let points = vec![Point { x: 1, y: 2 }];
+    let _: i32 = points.iter().map(|Point { x, y }| y).sum(); //~ ERROR unused variable
+
+    match (Point { x: 1, y: 2 }) {
+        Point { y, ref mut x } => y, //~ ERROR unused variable
+    };
+}