From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:58 +0200
Subject: Adding upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/issues/issue-55380.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 tests/ui/issues/issue-55380.rs

(limited to 'tests/ui/issues/issue-55380.rs')

diff --git a/tests/ui/issues/issue-55380.rs b/tests/ui/issues/issue-55380.rs
new file mode 100644
index 000000000..f7cb296d3
--- /dev/null
+++ b/tests/ui/issues/issue-55380.rs
@@ -0,0 +1,28 @@
+// run-pass
+#![feature(specialization)]
+//~^ WARN the feature `specialization` is incomplete
+
+pub trait Foo {
+    fn abc() -> u32;
+    fn def() -> u32;
+}
+
+pub trait Marker {}
+
+impl Marker for () {}
+
+impl<T> Foo for T {
+    default fn abc() -> u32 { 16 }
+    default fn def() -> u32 { 42 }
+}
+
+impl<T: Marker> Foo for T {
+    fn def() -> u32 {
+        Self::abc()
+    }
+}
+
+fn main() {
+   assert_eq!(<()>::def(), 16);
+   assert_eq!(<i32>::def(), 42);
+}
-- 
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