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, 28 insertions, 0 deletions

diff --git a/src/test/ui/uninhabited/uninhabited-irrefutable.rs b/src/test/ui/uninhabited/uninhabited-irrefutable.rs
new file mode 100644
index 000000000..661b5486a
--- /dev/null
+++ b/src/test/ui/uninhabited/uninhabited-irrefutable.rs
@@ -0,0 +1,28 @@
+#![feature(never_type)]
+#![feature(exhaustive_patterns)]
+
+mod foo {
+    pub struct SecretlyEmpty {
+        _priv: !,
+    }
+
+    pub struct NotSoSecretlyEmpty {
+        pub _pub: !,
+    }
+}
+
+struct NotSoSecretlyEmpty {
+    _priv: !,
+}
+
+enum Foo {
+    A(foo::SecretlyEmpty),
+    B(foo::NotSoSecretlyEmpty),
+    C(NotSoSecretlyEmpty),
+    D(u32, u32),
+}
+
+fn main() {
+    let x: Foo = Foo::D(123, 456);
+    let Foo::D(_y, _z) = x; //~ ERROR refutable pattern in local binding: `A(_)` not covered
+}