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, 26 insertions, 0 deletions

diff --git a/src/test/ui/pattern/usefulness/slice-patterns-irrefutable.rs b/src/test/ui/pattern/usefulness/slice-patterns-irrefutable.rs
new file mode 100644
index 000000000..cbf64e2c5
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/slice-patterns-irrefutable.rs
@@ -0,0 +1,26 @@
+// check-pass
+
+fn main() {
+    let s: &[bool] = &[true; 0];
+    let s0: &[bool; 0] = &[];
+    let s1: &[bool; 1] = &[false; 1];
+    let s2: &[bool; 2] = &[false; 2];
+
+    let [] = s0;
+    let [_] = s1;
+    let [_, _] = s2;
+
+    let [..] = s;
+    let [..] = s0;
+    let [..] = s1;
+    let [..] = s2;
+
+    let [_, ..] = s1;
+    let [.., _] = s1;
+    let [_, ..] = s2;
+    let [.., _] = s2;
+
+    let [_, _, ..] = s2;
+    let [_, .., _] = s2;
+    let [.., _, _] = s2;
+}