Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/ui/match/issue-56685.rs b/tests/ui/match/issue-56685.rs
new file mode 100644
index 000000000..f320c99ed
--- /dev/null
+++ b/tests/ui/match/issue-56685.rs
@@ -0,0 +1,44 @@
+#![allow(dead_code)]
+#![deny(unused_variables)]
+
+// This test aims to check that unused variable suggestions update bindings in all
+// match arms.
+
+fn main() {
+    enum E {
+        A(i32,),
+        B(i32,),
+    }
+
+    match E::A(1) {
+        E::A(x) | E::B(x) => {}
+        //~^ ERROR unused variable: `x`
+    }
+
+    enum F {
+        A(i32, i32,),
+        B(i32, i32,),
+        C(i32, i32,),
+    }
+
+    let _ = match F::A(1, 2) {
+        F::A(x, y) | F::B(x, y) => { y },
+        //~^ ERROR unused variable: `x`
+        F::C(a, b) => { 3 }
+        //~^ ERROR unused variable: `a`
+        //~^^ ERROR unused variable: `b`
+    };
+
+    let _ = if let F::A(x, y) | F::B(x, y) = F::A(1, 2) {
+    //~^ ERROR unused variable: `x`
+        y
+    } else {
+        3
+    };
+
+    while let F::A(x, y) | F::B(x, y) = F::A(1, 2) {
+    //~^ ERROR unused variable: `x`
+        let _ = y;
+        break;
+    }
+}