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, 10 insertions, 0 deletions

diff --git a/src/test/ui/pattern/usefulness/auxiliary/empty.rs b/src/test/ui/pattern/usefulness/auxiliary/empty.rs
new file mode 100644
index 000000000..29a03c9e8
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/auxiliary/empty.rs
@@ -0,0 +1,10 @@
+#![crate_type = "rlib"]
+pub enum EmptyForeignEnum {}
+
+pub struct VisiblyUninhabitedForeignStruct {
+    pub field: EmptyForeignEnum,
+}
+
+pub struct SecretlyUninhabitedForeignStruct {
+    _priv: EmptyForeignEnum,
+}