From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../object-safety-supertrait-mentions-Self.rs       | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs

(limited to 'tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs')

diff --git a/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs
new file mode 100644
index 000000000..2445b33c8
--- /dev/null
+++ b/tests/ui/object-safety/object-safety-supertrait-mentions-Self.rs
@@ -0,0 +1,21 @@
+// Check that we correctly prevent users from making trait objects
+// form traits that make use of `Self` in an argument or return position.
+
+trait Bar<T> {
+    fn bar(&self, x: &T);
+}
+
+trait Baz : Bar<Self> {
+}
+
+fn make_bar<T:Bar<u32>>(t: &T) -> &dyn Bar<u32> {
+    t
+}
+
+fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
+    //~^ ERROR E0038
+    t
+}
+
+fn main() {
+}
-- 
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