Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 119 insertions, 0 deletions

diff --git a/tests/ui/closures/2229_closure_analysis/run_pass/destructure_patterns.rs b/tests/ui/closures/2229_closure_analysis/run_pass/destructure_patterns.rs
new file mode 100644
index 000000000..dacc2c616
--- /dev/null
+++ b/tests/ui/closures/2229_closure_analysis/run_pass/destructure_patterns.rs
@@ -0,0 +1,119 @@
+// edition:2021
+// check-pass
+#![warn(unused)]
+
+struct Point {
+    x: u32,
+    y: u32,
+}
+
+fn test1() {
+    let t = (String::from("Hello"), String::from("World"));
+
+    let c = ||  {
+        let (t1, t2) = t;
+        //~^ WARN unused variable: `t1`
+        //~| WARN unused variable: `t2`
+    };
+
+    c();
+}
+
+fn test2() {
+    let t = (String::from("Hello"), String::from("World"));
+
+    let c = ||  {
+        let (t1, _) = t;
+        //~^ WARN unused variable: `t1`
+    };
+
+    c();
+}
+
+fn test3() {
+    let t = (String::from("Hello"), String::from("World"));
+
+    let c = ||  {
+        let (_, t2) = t;
+        //~^ WARN unused variable: `t2`
+    };
+
+    c();
+}
+
+fn test4() {
+    let t = (String::from("Hello"), String::from("World"));
+
+    let c = ||  {
+        let (_, _) = t;
+    };
+
+    c();
+}
+
+fn test5() {
+    let t = (String::new(), String::new());
+    let _c = ||  {
+        let _a = match t {
+            (t1, _) => t1,
+        };
+    };
+}
+
+fn test6() {
+    let t = (String::new(), String::new());
+    let _c = ||  {
+        let _a = match t {
+            (_, t2) => t2,
+        };
+    };
+}
+
+fn test7() {
+    let t = (String::new(), String::new());
+    let _c = ||  {
+        let _a = match t {
+            (t1, t2) => (t1, t2),
+        };
+    };
+}
+
+fn test8() {
+    let x = 0;
+    let tup = (1, 2);
+    let p = Point { x: 10, y: 20 };
+
+    let c = || {
+        let _ = x;
+        let Point { x, y } = p;
+        //~^ WARN unused variable: `x`
+        println!("{}", y);
+        let (_, _) = tup;
+    };
+
+    c();
+}
+
+fn test9() {
+    let _z = 9;
+    let t = (String::from("Hello"), String::from("World"));
+
+    let c = ||  {
+        let (_, t) = t;
+        println!("{}", t);
+    };
+
+    c();
+}
+
+fn main() {
+    test1();
+    test2();
+    test3();
+    test4();
+    test5();
+    test6();
+    test7();
+    test8();
+    test9();
+}