From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ui/specialization/specialization-projection.rs | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 tests/ui/specialization/specialization-projection.rs

(limited to 'tests/ui/specialization/specialization-projection.rs')

diff --git a/tests/ui/specialization/specialization-projection.rs b/tests/ui/specialization/specialization-projection.rs
new file mode 100644
index 000000000..78afe7a94
--- /dev/null
+++ b/tests/ui/specialization/specialization-projection.rs
@@ -0,0 +1,42 @@
+// run-pass
+#![allow(dead_code)]
+
+#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
+
+// Make sure we *can* project non-defaulted associated types
+// cf ui/specialization/specialization-default-projection.rs
+
+// First, do so without any use of specialization
+
+trait Foo {
+    type Assoc;
+}
+
+impl<T> Foo for T {
+    type Assoc = ();
+}
+
+fn generic_foo<T>() -> <T as Foo>::Assoc {
+    ()
+}
+
+// Next, allow for one layer of specialization
+
+trait Bar {
+    type Assoc;
+}
+
+impl<T> Bar for T {
+    default type Assoc = ();
+}
+
+impl<T: Clone> Bar for T {
+    type Assoc = u8;
+}
+
+fn generic_bar_clone<T: Clone>() -> <T as Bar>::Assoc {
+    0u8
+}
+
+fn main() {
+}
-- 
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