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, 15 insertions, 0 deletions

diff --git a/src/test/rustdoc/return-impl-trait.rs b/src/test/rustdoc/return-impl-trait.rs
new file mode 100644
index 000000000..1ccf5ac46
--- /dev/null
+++ b/src/test/rustdoc/return-impl-trait.rs
@@ -0,0 +1,15 @@
+#![feature(type_alias_impl_trait)]
+
+pub trait Backend {}
+
+impl Backend for () {}
+
+pub struct Module<T>(T);
+
+pub type BackendImpl = impl Backend;
+
+// @has return_impl_trait/fn.make_module.html
+/// Documentation
+pub fn make_module() -> Module<BackendImpl> {
+    Module(())
+}