Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 25 insertions, 0 deletions

diff --git a/src/test/ui/pattern/usefulness/slice-patterns-reachability.rs b/src/test/ui/pattern/usefulness/slice-patterns-reachability.rs
new file mode 100644
index 000000000..7c747b5e0
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/slice-patterns-reachability.rs
@@ -0,0 +1,25 @@
+#![deny(unreachable_patterns)]
+
+fn main() {
+    let s: &[bool] = &[];
+
+    match s {
+        [true, ..] => {}
+        [true, ..] => {} //~ ERROR unreachable pattern
+        [true] => {} //~ ERROR unreachable pattern
+        [..] => {}
+    }
+    match s {
+        [.., true] => {}
+        [.., true] => {} //~ ERROR unreachable pattern
+        [true] => {} //~ ERROR unreachable pattern
+        [..] => {}
+    }
+    match s {
+        [false, .., true] => {}
+        [false, .., true] => {} //~ ERROR unreachable pattern
+        [false, true] => {} //~ ERROR unreachable pattern
+        [false] => {}
+        [..] => {}
+    }
+}