From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/pattern/usefulness/issue-31221.rs | 34 +++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/test/ui/pattern/usefulness/issue-31221.rs

(limited to 'src/test/ui/pattern/usefulness/issue-31221.rs')

diff --git a/src/test/ui/pattern/usefulness/issue-31221.rs b/src/test/ui/pattern/usefulness/issue-31221.rs
new file mode 100644
index 000000000..e03f1ec5b
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/issue-31221.rs
@@ -0,0 +1,34 @@
+#![allow(dead_code)]
+#![allow(unused_variables)]
+#![allow(non_snake_case)]
+#![deny(unreachable_patterns)]
+
+#[derive(Clone, Copy)]
+enum Enum {
+    Var1,
+    Var2,
+}
+
+fn main() {
+    use Enum::*;
+    let s = Var1;
+    match s {
+        Var1 => (),
+        Var3 => (),
+        Var2 => (),
+        //~^ ERROR unreachable pattern
+    };
+    match &s {
+        &Var1 => (),
+        &Var3 => (),
+        &Var2 => (),
+        //~^ ERROR unreachable pattern
+    };
+    let t = (Var1, Var1);
+    match t {
+        (Var1, b) => (),
+        (c, d) => (),
+        anything => ()
+        //~^ ERROR unreachable pattern
+    };
+}
-- 
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