From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/traits/object/bounds-cycle-4.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/test/ui/traits/object/bounds-cycle-4.rs

(limited to 'src/test/ui/traits/object/bounds-cycle-4.rs')

diff --git a/src/test/ui/traits/object/bounds-cycle-4.rs b/src/test/ui/traits/object/bounds-cycle-4.rs
new file mode 100644
index 000000000..f83cb75c7
--- /dev/null
+++ b/src/test/ui/traits/object/bounds-cycle-4.rs
@@ -0,0 +1,25 @@
+// Check that we don't have a cycle when we try to normalize `Self::U` in the
+// bound below. Make sure that having a lifetime on the trait object doesn't break things
+
+// check-pass
+
+trait Is {
+    type T;
+}
+
+impl<U> Is for U {
+    type T = U;
+}
+
+trait Obj<'a> {
+    type U: Is<T = Self::V>;
+    type V;
+}
+
+fn is_obj<'a, T: ?Sized + Obj<'a>>(_: &T) {}
+
+fn f<'a>(x: &dyn Obj<'a, U = i32, V = i32>) {
+    is_obj(x)
+}
+
+fn main() {}
-- 
cgit v1.2.3