Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/ui/never_type/impl-for-never.rs b/tests/ui/never_type/impl-for-never.rs
new file mode 100644
index 000000000..9423f0885
--- /dev/null
+++ b/tests/ui/never_type/impl-for-never.rs
@@ -0,0 +1,27 @@
+// run-pass
+
+#![feature(never_type)]
+
+// Test that we can call static methods on ! both directly and when it appears in a generic
+
+trait StringifyType {
+    fn stringify_type() -> &'static str;
+}
+
+impl StringifyType for ! {
+    fn stringify_type() -> &'static str {
+        "!"
+    }
+}
+
+fn maybe_stringify<T: StringifyType>(opt: Option<T>) -> &'static str {
+    match opt {
+        Some(_) => T::stringify_type(),
+        None => "none",
+    }
+}
+
+fn main() {
+    println!("! is {}", <!>::stringify_type());
+    println!("None is {}", maybe_stringify(None::<!>));
+}